CVE-2013-4505: Apache Mod Dontdothat

Low severity, CVSS 2.6. EPSS: 7.9% chance of exploitation in the next 30 days.

The is_this_legal function in mod_dontdothat for Apache Subversion 1.4.0 through 1.7.13 and 1.8.0 through 1.8.4 allows remote attackers to bypass intended access restrictions and possibly cause a denial of service (resource consumption) via a relative URL in a REPORT request.

Affected products

• Apache Mod Dontdothat: affected versions not specified
• Apache Subversion: version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; version 1.4.4 only; version 1.4.5 only; …

Published 2013-12-07. Last modified 2026-06-16.