VULNERABILITY INTELLIGENCE

CVE-2001-1387

CVSS score2.1 LOW

EPSS probability0.40%

CISA KEVNot currently listed

Published2001-11-05

Last modified2026-06-16

CVSS vectorAV:L/AC:L/Au:N/C:P/I:N/A:N

Description

iptables-save in iptables before 1.2.4 records the "--reject-with icmp-host-prohibited" rule as "--reject-with tcp-reset," which causes iptables to generate different responses than specified by the administrator, possibly leading to an information leak.

Weakness classification

CWE-203: Observable Discrepancy

Primary references

cve@mitre.org — Exploit, Issue Tracking, Third Party Advisory
cve@mitre.org — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link