CVE-2001-0323

MediumCVSS 6.4/10Last modified Jun 16, 2026

Description

The ICMP path MTU (PMTU) discovery feature in various UNIX systems allows remote attackers to cause a denial of service by spoofing "ICMP Fragmentation needed but Don't Fragment (DF) set" packets between two target hosts, which could cause one host to lower its MTU when transmitting to the other host.

Metrics

CVSS 2.0 6.4/10AV:N/AC:L/Au:N/C:N/I:P/A:P

Affected software

No affected versions have been published.

Timeline

Published
Jun 2, 2001
Last modified
Jun 16, 2026
NVD status
Modified

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