{"id":"CVE-2021-44140","aliases":["EUVD-2021-2323","GHSA-8gw6-w5rw-4g5c"],"status":"published","title":"Arbitrary file deletion on logout","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.06358,"percentile":0.93744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-276"],"published":"2021-11-24T11:15:14Z","modified":"2026-10-24T10:30:19Z","fixes":[{"ecosystem":"Maven","package":"org.apache.jspwiki:jspwiki-main","fixed_in":["2.11.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.jspwiki:jspwiki-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.jspwiki:jspwiki-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.0"}]}],"versions":["2.11.0.M1","2.11.0.M2","2.11.0.M3","2.11.0.M4","2.11.0.M5","2.11.0.M6","2.11.0.M7","2.11.0.M8"]}],"products":[{"vendor":"apache","product":"jspwiki"},{"vendor":"apache software foundation","product":"apache jspwiki"}],"references":[{"url":"https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-44140","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread/5qglpjdhvobppx7j550lf1sk28f6011t","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44140","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8gw6-w5rw-4g5c"},{"url":"https://github.com/apache/jspwiki","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-44140","title":"Arbitrary file deletion on logout","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","status":"published","published":"2021-11-24T11:15:14Z","modified":"2024-08-04T04:17:24.421Z","updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-2323","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","status":"published","published":"2021-11-24T11:15:14Z","modified":"2024-08-04T04:17:24Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-8gw6-w5rw-4g5c","title":"Incorrect Default Permissions in Apache JSPWiki","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","status":"published","published":"2021-11-29T17:59:24Z","modified":"2023-02-01T05:06:37Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:36:39.086869Z"}],"nvd":[{"id":"CVE-2021-44140","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","status":"published","published":"2021-11-24T12:15:07.663Z","modified":"2026-06-17T04:11:56.5Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:07:01.428028Z"}],"osv":[{"id":"CVE-2021-44140","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","status":"published","published":"2021-11-24T12:15:07.663Z","modified":"2026-10-24T10:30:19.657439042Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-8gw6-w5rw-4g5c","title":"Incorrect Default Permissions in Apache JSPWiki","description":"Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.","status":"published","published":"2021-11-29T17:59:24Z","modified":"2023-11-08T04:07:15.757707Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:46:42.437513Z"}]}}