A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, rem…
cve CVE-2026-20146 1 source, 1 claim · Watch
NVD writes:
A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitiv… the claim
A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitiv… the claim
- Severity
- MEDIUM NVD
- CVSS
- 5.5 NVD
- Vendor
- Cisco NVD
- Product
- Cisco Identity Services Engine Software NVD
- CWE
- CWE-22 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
| 2026-07-15 | first spoke of it: A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files or delete arbitrary files on the affected system. | NVD |
A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files or delete arbitrary files on the affected system.
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_softwareNVD 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 | no At least one of those steps needs a person. receipt
What the source handed over{
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials. \r\n\r\nThis vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files or delete arbitrary files on the affected system."
}
],
"id": "CVE-2026-20146",
"lastModified": "2026-09-25T16:41:58.527",
"metrics": {
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
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"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N",
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{
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],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T17:58:07.078523Z",
"version": "2.0.3"
}
}
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},
"published": "2026-07-15T17:16:46.970",
"references": [
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"tags": [
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],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-traversal-xNt7wb2Y"
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"weaknesses": [
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"value": "CWE-22"
}
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"source": "psirt@cisco.com",
"type": "Secondary"
}
]
}
} | — | ||||
| CVSS cvss | NVD | 5.5receipt
What the source handed over{
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} | — | ||||
| CVSS vector cvss_vector | NVD | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:Nreceipt
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} | — | ||||
| CWE cwe | NVD | CWE-22receipt
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} | — | ||||
| Exploitation exploitation | NVD | none No evidence of exploitation, and no public proof of concept. receipt
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]
}
} | — | ||||
| Product product | NVD | Cisco Identity Services Engine Softwarereceipt
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}
} | — | ||||
| Severity severity | NVD | MEDIUM From 4.0 to 6.9. receipt
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} | medium | ||||
| Status status | NVD | Analyzedreceipt
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} | — | ||||
| Technical impact technical_impact | NVD | partial The attacker gains limited control, or limited information. receipt
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} | — | ||||
| Vendor vendor | NVD | Ciscoreceipt
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}
}
]
},
"published": "2026-07-15T17:16:46.970",
"references": [
{
"source": "psirt@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-traversal-xNt7wb2Y"
}
],
"sourceIdentifier": "psirt@cisco.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-22"
}
],
"source": "psirt@cisco.com",
"type": "Secondary"
}
]
}
} | — |
Every claim, by kind
vulnerability
| A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. To exploit this vulnerability, the attacker must have valid administrative credentials.
This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to access sensitive files or delete arbitrary files on the affected system. zetlyn/cve-nvd · 2026-07-15 | automatable no cvss 5.5 cvss_vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N cwe CWE-22 exploitation none product Cisco Identity Services Engine Software severity MEDIUM status Analyzed technical_impact partial vendor Cisco | source |