CVE-2001-1554

Name: CVE-2001-1554
Creator: NVD / NIST
Published: 2001-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.24%

Last modified Jun 16, 2026

CVE-2001-1554 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Ibm	Aix	430

References

Timeline

Published: Dec 31, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-1554?

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.

How severe is CVE-2001-1554?

Severity scoring for CVE-2001-1554 is pending analysis. The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2001-1554?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2001-1554?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST