CVE-2011-4963 json
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 restricte…
published 2012-07-26 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4869
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.0%
- EPSS 6.0% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- f5 nginx 1.2.1
Exploit prediction
5.96% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Technology feeds
References
-
nginx.org
/en/security_advisories.html
vendor-advisory
-
mailman.nginx.org
/pipermail/nginx-announce/2012/000086.html
mailing-list, mitigation, vendor-advisory
-
english.securitylab.ru
/lab/PT-2012-06
mitigation, third-party-advisory
Sources
- CVE List CVE-2011-4963
- NVD CVE-2011-4963
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.