VULNERABILITY INTELLIGENCE
CVE-2001-1554
CVSS score5 MEDIUM
EPSS probability1.24%
CISA KEVNot currently listed
Published2001-12-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.