Vulnerability in F5 nginx
CVE-2013-4547
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.677 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.677 · newest: 0.677 · change: 0.000
Affected products
- F5 nginx
- openSUSE — versions 11.4, 12.2, 12.3
- SUSE Lifecycle Management Server — versions 1.3
- SUSE Studio Onsite — versions 1.3
- SUSE Webyast — versions 1.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/55757 (Third Party Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2013-11/msg00084.html (vendor-advisory, Mailing List, Third Party Advisory)
- secunia.com/advisories/55825 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/55822 (Third Party Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-updates/2013-11/msg00119.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2013-11/msg00118.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2012/dsa-2802 (vendor-advisory, Broken Link)
- mailman.nginx.org/pipermail/nginx-announce/2013/000125.html (Vendor Advisory, mailing-list, Mitigation)
Frequently asked questions
- What is CVE-2013-4547?
- CVE-2013-4547 is a vulnerability in F5 nginx, classified under Improper Encoding or Escaping of Output. Published 2013-11-23.
- Is CVE-2013-4547 known to be exploited?
- 26 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.