{"id":"CVE-2017-0356","aliases":["DEBIAN-CVE-2017-0356","DLA-812-1","DSA-3760-1","EUVD-2017-0712","GHSA-v4mw-26wf-pfx6","MGASA-2019-0113","UBUNTU-CVE-2017-0356","openSUSE-SU-2024:10860-1"],"status":"published","title":"Authentication bypass via repeated parameters","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03276,"percentile":0.88504,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2017-01-12T00:00:00Z","modified":"2026-09-01T20:03:40Z","fixes":[{"ecosystem":"Debian:12","package":"ikiwiki","fixed_in":["3.20170111"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ikiwiki","fixed_in":["3.20170111"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ikiwiki","fixed_in":["3.20170111"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20170111"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20170111"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20170111"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20120629.2+deb7u2"}]}],"versions":["3.20120629","3.20120629.1","3.20120629.2","3.20120629.2+deb7u1"],"bundled":3},{"source":"osv","ecosystem":"Debian:8","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20141016.4"}]}],"versions":["3.20141016.2","3.20141016.3"],"bundled":3},{"source":"osv","ecosystem":"Mageia:6","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20190228-1.1.mga6"}]}],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.20150614","3.20160121"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"ikiwiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20200202.3-2.7"}]}],"bundled":14}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"ikiwiki","product":"ikiwiki"}],"references":[{"url":"https://www.debian.org/security/2017/dsa-3760","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://ikiwiki.info/security/#cve-2017-0356","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://marc.info/?l=oss-security\u0026m=148418234314276\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"http://www.securityfocus.com/bid/95420","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0356"},{"url":"https://github.com/advisories/GHSA-v4mw-26wf-pfx6"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-0356","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2019-0113.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=24453","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2019/02/28/1","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2017/01/12/2","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2016/05/06/8","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2016/05/06/9","tags":["web"]},{"url":"https://www.debian.org/security/2019/dsa-4399","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2017-0356","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-0356","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2008-0169","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-2944","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0428","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1401","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0220","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-1572","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10026","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1238","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3714","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4561","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9645","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9646","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-0356","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9187","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2017-0356","title":"Authentication bypass via repeated parameters","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2018-04-13T15:00:00Z","modified":"2024-09-17T02:51:42.751Z","updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2017-0712","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2018-04-13T15:00:00Z","modified":"2024-09-17T02:51:42Z","updated_at":"2026-11-03T00:28:36.981601Z"}],"ghsa":[{"id":"GHSA-v4mw-26wf-pfx6","title":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth...","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2022-05-14T03:22:31Z","modified":"2023-02-02T05:07:47Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:52:35.379197Z"}],"nvd":[{"id":"CVE-2017-0356","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2018-04-13T15:29:00.273Z","modified":"2026-06-17T00:57:33.567Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"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-287"],"updated_at":"2026-11-02T14:04:17.032862Z"}],"osv":[{"id":"CVE-2017-0356","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2018-04-13T15:29:00.273Z","modified":"2026-04-16T06:21:47.638881794Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.472693Z"},{"id":"DEBIAN-CVE-2017-0356","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2018-04-13T15:29:00.273Z","modified":"2026-09-01T20:03:40.05929824Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:28.207321Z"},{"id":"UBUNTU-CVE-2017-0356","description":"A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.","status":"published","published":"2018-04-13T15:29:00Z","modified":"2025-10-24T04:46:02Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:13.356796Z"},{"id":"DLA-812-1","title":"ikiwiki - security update","status":"published","published":"2017-01-31T00:00:00Z","modified":"2026-03-09T02:10:18.45478Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"DSA-3760-1","title":"ikiwiki - security update","status":"published","published":"2017-01-12T00:00:00Z","modified":"2026-03-09T01:23:01.805447Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2019-0113","title":"Updated ikiwiki packages fix security vulnerability","description":"Several security issues identified in ikiwiki fixed by updating to\nversion 3.20190228. See references for details\n","status":"published","published":"2019-03-15T16:56:09Z","modified":"2026-04-16T06:22:50.315214515Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"openSUSE-SU-2024:10860-1","title":"ikiwiki-3.20200202.3-2.7 on GA media","description":"These are all security issues fixed in the ikiwiki-3.20200202.3-2.7 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:32:41.040879Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}