Buffer overflow in HP-UX cstm program allows local users to gain root privileges.

cve CVE-1999-0307 1 source, 1 claim · Watch

NVD writes:
Buffer overflow in HP-UX cstm program allows local users to gain root privileges. the claim

Vendor: n/a NVD
Product: n/a 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

2000-12-20

first spoke of it: Buffer overflow in HP-UX cstm program allows local users to gain root privileges.

NVD

What it is to other things

affects	hp/hp-ux NVD
made_by	hp NVD

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

made_by	`n_a` NVD says “n/a”
affects	`n_a/n_a` NVD says “n/a · n/a”

Every value, with what each source said and its receipt

Property Source Said Means here

Product

product

NVD

n/a

receipt

Source: NVD
Its words: n/a
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	n/a
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:o:hp:hp-ux:9.00:*:*:*:*:*:*:*",
                "matchCriteriaId": "6E436D06-FA3A-43F6-AF84-2E9C2F42E3FF",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:o:hp:hp-ux:10.00:*:*:*:*:*:*:*",
                "matchCriteriaId": "3187435B-C052-4DBA-AA79-F8AC0287EE14",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer overflow in HP-UX cstm program allows local users to gain root privileges."
      },
      {
        "lang": "es",
        "value": "Desbordamiento de búfer en el programa cstm de HP-UX permite a usuarios locales obtener privilegios de root."
      }
    ],
    "id": "CVE-1999-0307",
    "lastModified": "2026-09-23T09:10:01.707",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": true,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "nvd@nist.gov",
          "type": "Primary",
          "userInteractionRequired": false
        }
      ]
    },
    "published": "2000-12-20T05:00:00.000",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0307"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0307"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "NVD-CWE-Other"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}

—

Status

status

NVD

Modified

receipt

Source: NVD
Its words: Modified
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:o:hp:hp-ux:9.00:*:*:*:*:*:*:*",
                "matchCriteriaId": "6E436D06-FA3A-43F6-AF84-2E9C2F42E3FF",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:o:hp:hp-ux:10.00:*:*:*:*:*:*:*",
                "matchCriteriaId": "3187435B-C052-4DBA-AA79-F8AC0287EE14",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer overflow in HP-UX cstm program allows local users to gain root privileges."
      },
      {
        "lang": "es",
        "value": "Desbordamiento de búfer en el programa cstm de HP-UX permite a usuarios locales obtener privilegios de root."
      }
    ],
    "id": "CVE-1999-0307",
    "lastModified": "2026-09-23T09:10:01.707",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": true,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "nvd@nist.gov",
          "type": "Primary",
          "userInteractionRequired": false
        }
      ]
    },
    "published": "2000-12-20T05:00:00.000",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0307"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0307"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "NVD-CWE-Other"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

n/a

receipt

Source: NVD
Its words: n/a
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	n/a
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "n/a",
            "vendor": "n/a",
            "versions": [
              {
                "status": "affected",
                "version": "n/a"
              }
            ]
          }
        ],
        "source": "cve@mitre.org"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:o:hp:hp-ux:9.00:*:*:*:*:*:*:*",
                "matchCriteriaId": "6E436D06-FA3A-43F6-AF84-2E9C2F42E3FF",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:o:hp:hp-ux:10.00:*:*:*:*:*:*:*",
                "matchCriteriaId": "3187435B-C052-4DBA-AA79-F8AC0287EE14",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer overflow in HP-UX cstm program allows local users to gain root privileges."
      },
      {
        "lang": "es",
        "value": "Desbordamiento de búfer en el programa cstm de HP-UX permite a usuarios locales obtener privilegios de root."
      }
    ],
    "id": "CVE-1999-0307",
    "lastModified": "2026-09-23T09:10:01.707",
    "metrics": {
      "cvssMetricV2": [
        {
          "acInsufInfo": false,
          "baseSeverity": "HIGH",
          "cvssData": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": true,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "source": "nvd@nist.gov",
          "type": "Primary",
          "userInteractionRequired": false
        }
      ]
    },
    "published": "2000-12-20T05:00:00.000",
    "references": [
      {
        "source": "cve@mitre.org",
        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0307"
      },
      {
        "source": "af854a3a-2127-422b-91ae-364da2661108",
        "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0307"
      }
    ],
    "sourceIdentifier": "cve@mitre.org",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "NVD-CWE-Other"
          }
        ],
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  }
}

—

Every claim, by kind

vulnerability

Buffer overflow in HP-UX cstm program allows local users to gain root privileges.

zetlyn/cve-nvd · 2000-12-20

product n/a status Modified vendor n/a

source