CVE-2001-1554

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2001-12-31 · updated 2026-06-16

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

IBM AIX: 430

References

http://archives.neohapsis.com/archives/aix/2001-q4/0009.html
http://archives.neohapsis.com/archives/aix/2001-q4/0009.html

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