# CVE-2001-1554

## Summary

- **CVE ID:** CVE-2001-1554
- **Severity:** UNKNOWN
- **CVSS Score:** 0.04
- **CWE:** N/A
- **Published:** Jul 14, 2005
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://archives.neohapsis.com/archives/aix/2001-q4/0009.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.79%
- **EPSS Percentile:** 73.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._