CVE-2013-4547

high
Published 2013-11-23 · Modified 2026-04-29
CVSS v3
CVSS v2
7.5
VIR risk
7.5

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-4547

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.4.4-1
debian debianbullseyefixed1.4.4-1
debian debianforkyfixed1.4.4-1
debian debiansidfixed1.4.4-1
debian debiantrixiefixed1.4.4-1
suse suse11.4affected
suse suse12.2affected
suse suse12.3affected
suse suse13.1affected

Application impact

VendorProductVersionsFixed
f5nginx{"startIncluding":"0.8.41","endExcluding":"1.4.4"}1.4.4
suse suselifecycle_management_server1.3
suse susestudio_onsite1.3
suse susewebyast1.3
nginx nginxnginx{"startIncluding":"0.8.41","endExcluding":"1.4.4"}1.4.4
nginx nginxnginx{"startIncluding":"1.5.0","endIncluding":"1.5.6"}

References

CWEs

CWE-116

Verify integrity in audit chain (admin only). AS-IS.