{"id":"CVE-2001-1554","aliases":["EUVD-2001-1531","GHSA-7q57-gjpw-vm7g"],"status":"published","title":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial...","description":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0124,"percentile":0.69353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:29Z","products":[{"vendor":"ibm","product":"aix"}],"references":[{"url":"http://archives.neohapsis.com/archives/aix/2001-q4/0009.html","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1554"},{"url":"https://github.com/advisories/GHSA-7q57-gjpw-vm7g"}],"sources":{"cve":[{"id":"CVE-2001-1554","description":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.","status":"published","published":"2005-07-14T04:00:00Z","modified":"2024-09-16T22:20:04.762Z","updated_at":"2026-11-02T14:34:42.680977Z"}],"euvd":[{"id":"EUVD-2001-1531","description":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.","status":"published","published":"2005-07-14T04:00:00Z","modified":"2024-09-16T22:20:04Z","updated_at":"2026-11-03T00:55:03.975609Z"}],"ghsa":[{"id":"GHSA-7q57-gjpw-vm7g","title":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial...","description":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.","status":"published","published":"2022-04-30T18:18:15Z","modified":"2023-01-30T05:05:42Z","updated_at":"2026-11-02T14:47:20.238022Z"}],"nvd":[{"id":"CVE-2001-1554","description":"IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.","status":"published","published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:29.747Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}