CVE-2013-2178: FAIL2BAN

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.

Affected products

• FAIL2BAN FAIL2BAN: up to and including 0.8.9; version 0.1.0 only; version 0.1.1 only; version 0.1.2 only; version 0.3.0 only; version 0.3.1 only; …

Published 2013-08-28. Last modified 2026-06-16.