CVE-2013-4547: F5 Nginx

High severity, CVSS 7.5. EPSS: 67.7% chance of exploitation in the next 30 days.

nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers to bypass intended restrictions via an unescaped space character in a URI.

Affected products

• F5 Nginx: from 0.8.41, before 1.4.4 (fixed in 1.4.4); from 1.5.0, up to and including 1.5.6
• Opensuse Opensuse: version 11.4 only; version 12.2 only; version 12.3 only; version 13.1 only
• Suse Lifecycle Management Server: version 1.3 only
• Suse Studio Onsite: version 1.3 only
• Suse Webyast: version 1.3 only

Published 2013-11-23. Last modified 2026-06-16.