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Case File

CVE-2001-1155

CRITICAL · CVSS 9.8 EPSS 2.03%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2001-08-23 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2001-1155
Severity
CRITICAL
CVSS
9.8
EPSS
2.03%

Original NVD Description

TCP Wrappers (tcp_wrappers) in FreeBSD 4.1.1 through 4.3 with the PARANOID ACL option enabled does not properly check the result of a reverse DNS lookup, which could allow remote attackers to bypass intended access restrictions via DNS spoofing.