{"id":"CVE-2013-6167","aliases":["EUVD-2013-5996","GHSA-47hp-rr8h-63v7"],"status":"published","title":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the...","description":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01524,"percentile":0.7484,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-352"],"published":"2014-02-15T11:00:00Z","modified":"2026-06-17T00:00:01Z","exploits":[{"source":"exploitdb","id":"EDB-38798","title":"Mozilla Firefox - Cookie Verification Denial of Service","type":"dos","platform":"multiple","date":"2013-04-04","verified":true,"url":"https://www.exploit-db.com/exploits/38798"}],"products":[{"vendor":"mozilla","product":"firefox"}],"references":[{"url":"http://seclists.org/oss-sec/2013/q4/121","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=858215","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/oss-sec/2013/q4/117","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2013/04/03/10","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://redmine.lighttpd.net/issues/2188","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6167"},{"url":"https://github.com/advisories/GHSA-47hp-rr8h-63v7"}],"sources":{"cve":[{"id":"CVE-2013-6167","description":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.","status":"published","published":"2014-02-15T11:00:00Z","modified":"2024-08-06T17:29:43.001Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2013-5996","description":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.","status":"published","published":"2014-02-15T11:00:00Z","modified":"2024-08-06T17:29:43Z","updated_at":"2026-11-03T01:56:27.166265Z"}],"ghsa":[{"id":"GHSA-47hp-rr8h-63v7","title":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the...","description":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.","status":"published","published":"2022-05-17T04:52:52Z","modified":"2023-01-28T05:02:41Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:43:49.735086Z"}],"nvd":[{"id":"CVE-2013-6167","description":"Mozilla Firefox through 27 sends HTTP Cookie headers without first validating that they have the required character-set restrictions, which allows remote attackers to conduct the equivalent of a persistent Logout CSRF attack via a crafted parameter that forces a web application to set a malformed cookie within an HTTP response.","status":"published","published":"2014-02-15T14:57:08.08Z","modified":"2026-06-17T00:00:01.4Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:02:48.062712Z"}]}}