CVE-2001-1554

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 74.2%
KEV: Not listed

Published

December 31, 2001

Last Modified

April 16, 2026

References (2)

cve@mitrehttp://archives.neohapsis.com/archives/aix/2001-q4/0009.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/aix/2001-q4/0009.html

Data Freshness Timeline

(refreshed 12× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-2001-1554?

CVE-2001-1554 is a none vulnerability published on December 31, 2001. 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.

When was CVE-2001-1554 disclosed?

CVE-2001-1554 was first published in the National Vulnerability Database on December 31, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-1554 actively exploited?

CVE-2001-1554 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-1554?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-1554, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-1554

📅 Published

🔄 Last Modified

🔗 References (2)