CVE-2007-0450: Apache HTTP Server

Medium severity, CVSS 5.0. EPSS: 90.8% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.

Affected products

• Apache HTTP Server: affected versions not specified
• Apache Tomcat: from 5.0.0, before 5.5.22 (fixed in 5.5.22); from 6.0.0, before 6.0.10 (fixed in 6.0.10)

Published 2007-03-16. Last modified 2026-06-16.