{"id":"CVE-2016-4436","aliases":["EUVD-2022-5822","GHSA-xm92-v2mq-842q"],"status":"published","title":"Apache Struts improper action name cleanup","description":"Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up.","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":0.06603,"percentile":0.93892,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2016-10-03T15:00:00Z","modified":"2026-10-24T10:30:56Z","fixes":[{"ecosystem":"Maven","package":"org.apache.struts:struts2-core","fixed_in":["2.3.29","2.5.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.3.29"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5-BETA1"},{"fixed":"2.5.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.3.29"}]}],"versions":["2.0.11","2.0.11.1","2.0.11.2","2.0.12","2.0.14","2.0.5","2.0.6","2.0.8","2.0.9","2.1.2","2.1.6","2.1.8","2.1.8.1","2.2.1","2.2.1.1","2.2.3","2.2.3.1","2.3.1","2.3.1.1","2.3.1.2","2.3.12","2.3.14","2.3.14.1","2.3.14.2","2.3.14.3","2.3.15","2.3.15.1","2.3.15.2","2.3.15.3","2.3.16","2.3.16.1","2.3.16.2","2.3.16.3","2.3.20","2.3.20.1","2.3.20.3","2.3.24","2.3.24.1","2.3.24.3","2.3.28","2.3.28.1","2.3.3","2.3.4","2.3.4.1","2.3.7","2.3.8"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5-BETA1"},{"fixed":"2.5.1"}]}],"versions":["2.5","2.5-BETA1","2.5-BETA2","2.5-BETA3"]}],"products":[{"vendor":"apache","product":"struts"}],"references":[{"url":"http://www.securityfocus.com/bid/91280","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=swg21987854","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=ssg1S1009282","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","tags":["x_refsource_CONFIRM","x_transferred","advisory","web"]},{"url":"https://struts.apache.org/docs/s2-035.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4436","tags":["advisory"]},{"url":"https://github.com/apache/struts/commit/237432512df0e27013f7c7b9ab59fdce44ca34a5","tags":["web"]},{"url":"https://github.com/apache/struts/commit/27ca165ddbf81c84bafbd083b99a18d89cc49ca7","tags":["web"]},{"url":"https://web.archive.org/web/20161015140316/http://www.securityfocus.com/bid/91280/"},{"url":"https://github.com/advisories/GHSA-xm92-v2mq-842q"},{"url":"https://github.com/apache/struts","tags":["package"]},{"url":"https://web.archive.org/web/20161015140316/http://www.securityfocus.com/bid/91280","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-4436","description":"Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up.","status":"published","published":"2016-10-03T15:00:00Z","modified":"2024-08-06T00:32:24.602Z","updated_at":"2026-11-02T14:33:35.488991Z"}],"euvd":[{"id":"EUVD-2022-5822","description":"Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up.","status":"published","published":"2016-10-03T15:00:00Z","modified":"2024-08-06T00:32:24Z","updated_at":"2026-11-03T02:22:46.329763Z"}],"ghsa":[{"id":"GHSA-xm92-v2mq-842q","title":"Apache Struts improper action name cleanup","description":"Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean 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action name clean up.","status":"published","published":"2016-10-03T15:59:01.913Z","modified":"2026-10-24T10:30:56.082198749Z","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":"2026-11-02T15:44:02.454775Z"},{"id":"GHSA-xm92-v2mq-842q","title":"Apache Struts improper action name cleanup","description":"Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up.","status":"published","published":"2022-05-17T02:16:00Z","modified":"2024-12-05T05:39:44.560733Z","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":"2026-11-02T15:47:00.198893Z"}]}}