{"id":"CVE-2013-4547","aliases":["DEBIAN-CVE-2013-4547","DSA-2802-1","EUVD-2013-4406","GHSA-9x2q-qf8w-h347","MGASA-2013-0349","openSUSE-SU-2024:10044-1","openSUSE-SU-2024:11341-1"],"status":"published","title":"nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers to bypass intended...","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.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.67718,"percentile":0.9932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-116"],"published":"2013-11-21T00:00:00Z","modified":"2026-09-01T20:03:18Z","exploits":[{"source":"exploitdb","id":"EDB-38846","title":"Nginx 1.1.17 - URI Processing SecURIty Bypass","type":"remote","platform":"multiple","date":"2013-11-19","verified":true,"url":"https://www.exploit-db.com/exploits/38846"},{"source":"pocgithub","id":"cyberharsh/Nginx-CVE-2013-4547","title":"cyberharsh/Nginx-CVE-2013-4547","date":"2020-06-20","url":"https://github.com/cyberharsh/Nginx-CVE-2013-4547"},{"source":"pocgithub","id":"rsp243/fix_nginx_CVE-2013-4547_IB","title":"rsp243/fix_nginx_CVE-2013-4547_IB","date":"2025-12-08","url":"https://github.com/rsp243/fix_nginx_CVE-2013-4547_IB"},{"source":"pocgithub","id":"CyberCTF/vulhub-nginx-cve-2013-4547","title":"CyberCTF/vulhub-nginx-cve-2013-4547","date":"2026-10-08","url":"https://github.com/CyberCTF/vulhub-nginx-cve-2013-4547"}],"fixes":[{"ecosystem":"Debian:12","package":"nginx","fixed_in":["1.4.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nginx","fixed_in":["1.4.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nginx","fixed_in":["1.4.4-1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"nginx","fixed_in":["1.2.1-2.2+wheezy2"],"sources":["osv"]},{"ecosystem":"Mageia:2","package":"nginx","fixed_in":["1.0.15-2.1.mga2"],"sources":["osv"]},{"ecosystem":"Mageia:3","package":"nginx","fixed_in":["1.2.9-1.2.mga3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4-1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1-2.2+wheezy2"}]}],"versions":["1.2.1-2.2","1.2.1-2.2+wheezy1"]},{"source":"osv","ecosystem":"Mageia:2","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.15-2.1.mga2"}]}]},{"source":"osv","ecosystem":"Mageia:3","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.9-1.2.mga3"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"nginx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.4-2.5"}]}],"bundled":11}],"products":[{"vendor":"f5","product":"nginx"},{"vendor":"opensuse","product":"opensuse"},{"vendor":"suse","product":"lifecycle_management_server"},{"vendor":"suse","product":"studio_onsite"},{"vendor":"suse","product":"webyast"}],"references":[{"url":"http://secunia.com/advisories/55757","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://secunia.com/advisories/55825","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://secunia.com/advisories/55822","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://www.debian.org/security/2012/dsa-2802","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Broken Link","advisory"]},{"url":"http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mitigation","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4547"},{"url":"https://github.com/advisories/GHSA-9x2q-qf8w-h347"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4547","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2013-0349.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=11710","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4315","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2089","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2070","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4547","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0133","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3556","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3616","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-0742","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-0746","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-0747","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4450","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-1831","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-1832","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-7519","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1247","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-7529","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12026","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12029","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-4547","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.","status":"published","published":"2013-11-23T18:00:00Z","modified":"2024-08-06T16:45:15.058Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2013-4406","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.","status":"published","published":"2013-11-23T18:00:00Z","modified":"2024-08-06T16:45:15Z","updated_at":"2026-11-03T01:56:31.067159Z"}],"ghsa":[{"id":"GHSA-9x2q-qf8w-h347","title":"nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers to bypass intended...","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.","status":"published","published":"2022-05-13T01:05:15Z","modified":"2023-02-01T05:02:48Z","cwes":["CWE-116"],"updated_at":"2026-11-02T14:49:58.498747Z"}],"nvd":[{"id":"CVE-2013-4547","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.","status":"published","published":"2013-11-23T18:55:04.687Z","modified":"2026-06-16T23:57:25.787Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:02:44.596064Z"}],"osv":[{"id":"CVE-2013-4547","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.","status":"published","published":"2013-11-23T18:55:04Z","modified":"2026-04-16T06:22:10.004223477Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-4547","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.","status":"published","published":"2013-11-23T18:55:04.687Z","modified":"2026-09-01T20:03:18.411752428Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2802-1","title":"nginx - restriction bypass","status":"published","published":"2013-11-21T00:00:00Z","modified":"2026-03-09T01:21:21.592826Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"MGASA-2013-0349","title":"Updated nginx packages fix CVE-2013-4547","description":"Updated nginx package fixes security vulnerability:\n\nIvan Fratric of the Google Security Team discovered a bug in nginx,\nwhich might allow an attacker to bypass security restrictions in certain\nconfigurations by using a specially crafted request, or might have\npotential other impact (CVE-2013-4547).\n","status":"published","published":"2013-11-22T19:12:56Z","modified":"2026-04-16T06:25:35.333458689Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"openSUSE-SU-2024:10044-1","title":"nginx-1.11.4-2.5 on GA media","description":"These are all security issues fixed in the nginx-1.11.4-2.5 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:22:35.012911Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"openSUSE-SU-2024:11341-1","title":"ruby2.7-rubygem-passenger-6.0.8-3.2 on GA media","description":"These are all security issues fixed in the ruby2.7-rubygem-passenger-6.0.8-3.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:39:43.862306Z","updated_at":"2026-11-02T16:58:35.195147Z"}]}}