{"id":"CVE-2017-9804","aliases":["EUVD-2018-0711","GHSA-x5x7-3v85-wpc4"],"status":"published","title":"Apache Struts allows entering a custom URL in a form field if built-in URLValidator is used","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08237,"percentile":0.94931,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2017-09-20T17:00:00Z","modified":"2026-10-24T10:30:35Z","fixes":[{"ecosystem":"Maven","package":"org.apache.struts:struts2-core","fixed_in":["2.3.34","2.5.13"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.7"},{"last_affected":"2.3.33"},{"fixed":"2.3.34"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"last_affected":"2.5.12"},{"fixed":"2.5.13"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.7"},{"fixed":"2.3.34"}]}],"versions":["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","2.3.29","2.3.30","2.3.31","2.3.32","2.3.33","2.3.7","2.3.8"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.struts:struts2-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"fixed":"2.5.13"}]}],"versions":["2.5","2.5.1","2.5.10","2.5.10.1","2.5.12","2.5.2","2.5.5","2.5.8"]}],"products":[{"vendor":"apache","product":"struts"},{"vendor":"apache software foundation","product":"apache struts"}],"references":[{"url":"http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://www.securityfocus.com/bid/100612","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20180629-0001/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-003.txt","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://www.securitytracker.com/id/1039261","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://struts.apache.org/docs/s2-050.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9804","tags":["advisory"]},{"url":"https://github.com/apache/struts/commit/418a20c0594f23764fe29ced400c1219239899a","tags":["web"]},{"url":"https://web.archive.org/web/20171113165852/http://www.securityfocus.com/bid/100612","tags":["web"]},{"url":"https://web.archive.org/web/20201021075553/http://www.securitytracker.com/id/1039261","tags":["web"]},{"url":"https://github.com/advisories/GHSA-x5x7-3v85-wpc4"},{"url":"https://github.com/apache/struts","tags":["package"]},{"url":"https://security.netapp.com/advisory/ntap-20180629-0001","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2017-9804","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","status":"published","published":"2017-09-20T17:00:00Z","modified":"2024-09-17T03:37:30.803Z","updated_at":"2026-11-02T14:33:13.606903Z"}],"euvd":[{"id":"EUVD-2018-0711","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","status":"published","published":"2017-09-20T17:00:00Z","modified":"2024-09-17T03:37:30Z","updated_at":"2026-11-03T00:28:30.275492Z"}],"ghsa":[{"id":"GHSA-x5x7-3v85-wpc4","title":"Apache Struts allows entering a custom URL in a form field if built-in URLValidator is used","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","status":"published","published":"2018-10-16T19:37:33Z","modified":"2024-01-04T23:26:49Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:37:29.411214Z"}],"nvd":[{"id":"CVE-2017-9804","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","status":"published","published":"2017-09-20T17:29:00.62Z","modified":"2026-06-17T01:28:57.343Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:59.716532Z"}],"osv":[{"id":"CVE-2017-9804","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","status":"published","published":"2017-09-20T17:29:00.62Z","modified":"2026-10-24T10:30:35.443552484Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.192756Z"},{"id":"GHSA-x5x7-3v85-wpc4","title":"Apache Struts allows entering a custom URL in a form field if built-in URLValidator is used","description":"In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.  NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.","status":"published","published":"2018-10-16T19:37:33Z","modified":"2024-02-19T05:32:27.835005Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:59.484835Z"}]}}