A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive…

cve CVE-2026-76444 1 source, 1 claim · Watch

NVD writes:
A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device. This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device. the claim

Severity: MEDIUM NVD
CVSS: 5.3 NVD
Vendor: Cisco NVD
Product: Cisco Identity Services Engine Software NVD
CWE: CWE-306 NVD

How far exploitation has got

No public code known
Proof of concept
Proof of concept, verified
A Metasploit module
Exploited in the wild
Used in ransomware campaigns

Timeline

2026-09-16

first spoke of it: A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device. This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device.

NVD

A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device. This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device.

What it is to other things

affects	cisco/identity_services_engine NVD
affects	cisco/identity_services_engine_passive_identity_connector NVD
made_by	cisco NVD

In words only, so not counted until a person confirms one:

affects

cisco/cisco_identity_services_engine_software

NVD says “Cisco · Cisco Identity Services Engine Software”

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

yes

An attacker can reliably run all of the kill chain's first four steps without a person.

receipt

Source: NVD
Its words: yes
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	yes
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "Cisco Identity Services Engine Software",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 4"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 5"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "Cisco ISE Passive Identity Connector",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
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                "version": "3.5.0"
              }
            ]
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        ],
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      }
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                "vulnerable": true
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                "vulnerable": true
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                "vulnerable": true
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                "vulnerable": true
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    "cveTags": [],
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        "value": "A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device.\r\n\r\nThis vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device."
      }
    ],
    "id": "CVE-2026-76444",
    "lastModified": "2026-09-28T13:06:58.163",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
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          "impactScore": 1.4,
          "source": "psirt@cisco.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
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          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              },
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                "technicalImpact": "partial"
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            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-19T13:46:10.724095Z",
            "version": "2.0.3"
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    },
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        "source": "psirt@cisco.com",
        "tags": [
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      }
    ],
    "sourceIdentifier": "psirt@cisco.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
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        "description": [
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            "value": "CWE-306"
          }
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        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

NVD

5.3

receipt

Source: NVD
Its words: 5.3
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-09-29 09:39 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "Cisco Identity Services Engine Software",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 4"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 5"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "Cisco ISE Passive Identity Connector",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              }
            ]
          }
        ],
        "source": "psirt@cisco.com"
      }
    ],
    "configurations": [
      {
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                "vulnerable": true
              },
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                "vulnerable": true
              },
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      }
    ],
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    "lastModified": "2026-09-28T13:06:58.163",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
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          "impactScore": 1.4,
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        "tags": [
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      }
    ],
    "sourceIdentifier": "psirt@cisco.com",
    "vulnStatus": "Analyzed",
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      {
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          {
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          }
        ],
        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

receipt

Source: NVD
Its words: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
2026-09-29 09:39 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "Cisco Identity Services Engine Software",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 4"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 5"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 6"
              }
            ]
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        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CWE

cwe

NVD

CWE-306

receipt

Source: NVD
Its words: CWE-306
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CWE-306
2026-09-29 09:39 UTC	—

What the source handed over

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        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
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  }
}

—

Exploitation

exploitation

NVD

none

No evidence of exploitation, and no public proof of concept.

receipt

Source: NVD
Its words: none
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	none
2026-09-29 09:39 UTC	—

What the source handed over

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    ],
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        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Product

product

NVD

Cisco Identity Services Engine Software

receipt

Source: NVD
Its words: Cisco Identity Services Engine Software
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Cisco Identity Services Engine Software
2026-09-29 09:39 UTC	—

What the source handed over

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        "type": "Secondary"
      }
    ]
  }
}

—

Severity

severity

NVD

MEDIUM

From 4.0 to 6.9.

receipt

Source: NVD
Its words: MEDIUM
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	MEDIUM
2026-09-29 09:39 UTC	—

What the source handed over

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              },
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                "version": "3.4 Patch 2"
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                "version": "3.5.0"
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                "version": "3.4 Patch 4"
              },
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              },
              {
                "status": "affected",
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            ]
          },
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            "product": "Cisco ISE Passive Identity Connector",
            "vendor": "Cisco",
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              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
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              }
            ]
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    "metrics": {
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          "impactScore": 1.4,
          "source": "psirt@cisco.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-76444",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-19T13:46:10.724095Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-16T21:17:19.463",
    "references": [
      {
        "source": "psirt@cisco.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multiauth-bypass-sgD2HbL4"
      }
    ],
    "sourceIdentifier": "psirt@cisco.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
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          {
            "lang": "en",
            "value": "CWE-306"
          }
        ],
        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

medium

Status

status

NVD

Analyzed

receipt

Source: NVD
Its words: Analyzed
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:39 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
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      {
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              },
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              },
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              },
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              },
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    ],
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                "vulnerable": true
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            "negate": false,
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        ]
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    ],
    "cveTags": [],
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      }
    ],
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    "lastModified": "2026-09-28T13:06:58.163",
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          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 5.3,
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            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
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          "impactScore": 1.4,
          "source": "psirt@cisco.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-76444",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
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            "timestamp": "2026-09-19T13:46:10.724095Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-16T21:17:19.463",
    "references": [
      {
        "source": "psirt@cisco.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multiauth-bypass-sgD2HbL4"
      }
    ],
    "sourceIdentifier": "psirt@cisco.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-306"
          }
        ],
        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Technical impact

technical_impact

NVD

partial

The attacker gains limited control, or limited information.

receipt

Source: NVD
Its words: partial
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	partial
2026-09-29 09:39 UTC	—

What the source handed over

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  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "Cisco Identity Services Engine Software",
            "vendor": "Cisco",
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              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 4"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 5"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "Cisco ISE Passive Identity Connector",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              }
            ]
          }
        ],
        "source": "psirt@cisco.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
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            "negate": false,
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      {
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                "vulnerable": true
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                "vulnerable": true
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              {
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                "matchCriteriaId": "2CFB7565-3930-409C-B5DB-CE77E6ED7C42",
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              {
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              {
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                "matchCriteriaId": "3FEE4377-B238-4442-9892-28CECFB2319E",
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              {
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            "negate": false,
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    "cveTags": [],
    "descriptions": [
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        "value": "A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device.\r\n\r\nThis vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device."
      }
    ],
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    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
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            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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            "version": "3.1"
          },
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          "impactScore": 1.4,
          "source": "psirt@cisco.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-76444",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
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            "version": "2.0.3"
          }
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      ]
    },
    "published": "2026-09-16T21:17:19.463",
    "references": [
      {
        "source": "psirt@cisco.com",
        "tags": [
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        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multiauth-bypass-sgD2HbL4"
      }
    ],
    "sourceIdentifier": "psirt@cisco.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-306"
          }
        ],
        "source": "psirt@cisco.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

Cisco

receipt

Source: NVD
Its words: Cisco
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Cisco
2026-09-29 09:39 UTC	—

What the source handed over

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  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unknown",
            "product": "Cisco Identity Services Engine Software",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 4"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 1"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 5"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 3"
              },
              {
                "status": "affected",
                "version": "3.5 Patch 2"
              },
              {
                "status": "affected",
                "version": "3.4 Patch 6"
              }
            ]
          },
          {
            "defaultStatus": "unknown",
            "product": "Cisco ISE Passive Identity Connector",
            "vendor": "Cisco",
            "versions": [
              {
                "status": "affected",
                "version": "3.4.0"
              },
              {
                "status": "affected",
                "version": "3.5.0"
              }
            ]
          }
        ],
        "source": "psirt@cisco.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
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  }
}

—

Every claim, by kind

vulnerability

zetlyn/cve-nvd · 2026-09-16

automatable yes cvss 5.3 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N cwe CWE-306 exploitation none product Cisco Identity Services Engine Software severity MEDIUM status Analyzed technical_impact partial vendor Cisco

source