CVE-2002-0514

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.

Scoring

CVSS base score
0.08
EPSS probability
2.09%
Published
2002-06-11
Last modified
2026-03-16

Affected products

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