CVE-2009-3898: F5 Nginx

Medium severity, CVSS 4.9. EPSS: 15.9% chance of exploitation in the next 30 days.

Directory traversal vulnerability in src/http/modules/ngx_http_dav_module.c in nginx (aka Engine X) before 0.7.63, and 0.8.x before 0.8.17, allows remote authenticated users to create or overwrite arbitrary files via a .. (dot dot) in the Destination HTTP header for the WebDAV (1) COPY or (2) MOVE method.

Affected products

• F5 Nginx: up to and including 0.7.62; version 0.1.0 only; version 0.1.1 only; version 0.1.2 only; version 0.1.3 only; version 0.1.4 only; …
• Nginx Nginx: version 0.6.1516 only

Published 2009-11-24. Last modified 2026-06-16.