Vulnerability in F5 nginx
CVE-2011-4963
nginx/Windows 1.3.x before 1.3.1 and 1.2.x before 1.2.1 allows remote attackers to bypass intended access restrictions and access restricted files via (1) a trailing . (dot) or (2) certain "$index_allocation" sequences in a request.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.060 (93.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000
Affected products
- F5 nginx — versions 1.3.0
- Microsoft Windows
Public proof-of-concept exploits
References
- english.securitylab.ru/lab/PT-2012-06 (Third Party Advisory, Mitigation)
- nginx.org/en/security_advisories.html (Vendor Advisory)
- mailman.nginx.org/pipermail/nginx-announce/2012/000086.html (Vendor Advisory, mailing-list, Mitigation)
Frequently asked questions
- What is CVE-2011-4963?
- CVE-2011-4963 is a vulnerability in F5 nginx. Published 2012-07-26.
- Is CVE-2011-4963 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.