{"id":"CVE-2011-4963","aliases":["EUVD-2011-4869","GHSA-r55j-v6v6-hc9m"],"status":"published","title":"nginx/Windows 1.3.x before 1.3.1 and 1.2.x before 1.2.1 allows remote attackers to bypass...","description":"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 \"$index_allocation\" sequences in a request.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05959,"percentile":0.93334,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-07-26T19:00:00Z","modified":"2026-06-16T23:35:44Z","products":[{"vendor":"f5","product":"nginx"}],"references":[{"url":"http://english.securitylab.ru/lab/PT-2012-06","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory"]},{"url":"http://nginx.org/en/security_advisories.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://mailman.nginx.org/pipermail/nginx-announce/2012/000086.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4963"},{"url":"https://github.com/advisories/GHSA-r55j-v6v6-hc9m"}],"sources":{"cve":[{"id":"CVE-2011-4963","description":"nginx/Windows 1.3.x before 1.3.1 and 1.2.x before 1.2.1 allows remote attackers to bypass intended access restrictions and access restricted files via (1) a trailing . (dot) or (2) certain \"$index_allocation\" sequences in a request.","status":"published","published":"2012-07-26T19:00:00Z","modified":"2024-09-16T19:56:18.339Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4869","description":"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 \"$index_allocation\" sequences in a request.","status":"published","published":"2012-07-26T19:00:00Z","modified":"2024-09-16T19:56:18Z","updated_at":"2026-11-03T00:55:18.708292Z"}],"ghsa":[{"id":"GHSA-r55j-v6v6-hc9m","title":"nginx/Windows 1.3.x before 1.3.1 and 1.2.x before 1.2.1 allows remote attackers to bypass...","description":"nginx/Windows 1.3.x before 1.3.1 and 1.2.x before 1.2.1 allows remote attackers to bypass intended access restrictions and access restricted files via (1) a trailing . (dot) or (2) certain \"$index_allocation\" sequences in a request.","status":"published","published":"2022-05-13T01:05:17Z","modified":"2023-02-01T05:02:56Z","updated_at":"2026-11-02T14:49:59.47413Z"}],"nvd":[{"id":"CVE-2011-4963","description":"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.","status":"published","published":"2012-07-26T19:55:00.98Z","modified":"2026-06-16T23:35:44.06Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:12.272092Z"}]}}