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Case File

CVE-2001-0183

HIGH · CVSS 7.5 EPSS 8.09%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2001-03-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable.

CVE
CVE-2001-0183
Severity
HIGH
CVSS
7.5
EPSS
8.09%

Original NVD Description

ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection.