{"id":"CVE-2016-4431","aliases":["EUVD-2022-5405","GHSA-vq79-mgpx-2wx4"],"status":"published","title":"Apache Struts Access Control Redirect","description":"Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks by leveraging a default method.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.09755,"percentile":0.9556,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2016-07-04T22:00:00Z","modified":"2026-10-24T10:30:24Z","fixes":[{"ecosystem":"Maven","package":"org.apache.struts:struts-parent","fixed_in":["2.3.29"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts-parent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.20"},{"last_affected":"2.3.28.1"},{"fixed":"2.3.29"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts-parent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.20"},{"fixed":"2.3.29"}]}]}],"products":[{"vendor":"apache","product":"struts"}],"references":[{"url":"http://www.securityfocus.com/bid/91284","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1348252","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","report","web"]},{"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":"https://struts.apache.org/docs/s2-040.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://jvn.jp/en/jp/JVN45093481/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred","Vendor Advisory","advisory","web"]},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2016-000113","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred","VDB Entry","Vendor Advisory","advisory","web"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","tags":["x_refsource_CONFIRM","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4431","tags":["advisory"]},{"url":"https://web.archive.org/web/20210123145002/http://www.securityfocus.com/bid/91284","tags":["web"]},{"url":"https://github.com/apache/struts/commit/eccc31ebce5430f9e91b9684c63eaaf885e603f9","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vq79-mgpx-2wx4"},{"url":"https://github.com/apache/struts","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-4431","description":"Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks by leveraging a default method.","status":"published","published":"2016-07-04T22:00:00Z","modified":"2024-08-06T00:32:25.047Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2022-5405","description":"Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks by leveraging a default method.","status":"published","published":"2016-07-04T22:00:00Z","modified":"2024-08-06T00:32:25Z","updated_at":"2026-11-03T02:22:45.901874Z"}],"ghsa":[{"id":"GHSA-vq79-mgpx-2wx4","title":"Apache Struts Access Control Redirect","description":"Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks by leveraging a default method.","status":"published","published":"2022-05-17T02:16:00Z","modified":"2023-12-28T22:42:02Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:37:28.753349Z"}],"nvd":[{"id":"CVE-2016-4431","description":"Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks by leveraging a default method.","status":"published","published":"2016-07-04T22:59:06.413Z","modified":"2026-06-17T00:47:32.603Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:27.736698Z"}],"osv":[{"id":"CVE-2016-4431","description":"Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass 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