{"id":"CVE-2018-20000","aliases":["EUVD-2018-0798","GHSA-5p52-j8pw-j7x5"],"status":"published","title":"Improper Restriction of XML External Entity Reference in bedework:bw-webdav","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01687,"percentile":0.77181,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-611"],"published":"2018-12-10T02:00:00Z","modified":"2026-10-20T10:50:06Z","fixes":[{"ecosystem":"Maven","package":"org.bedework:bw-webdav","fixed_in":["4.0.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.bedework:bw-webdav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.1"},{"fixed":"4.0.3"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.bedework:bw-webdav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.1"},{"fixed":"4.0.3"}]}],"versions":["4.0.1","4.0.2"]}],"products":[{"vendor":"apereo","product":"bw-webdav"}],"references":[{"url":"https://github.com/Bedework/bw-webdav/pull/1","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/Bedework/bw-webdav/compare/bw-webdav-4.0.2...bw-webdav-4.0.3","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20000","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5p52-j8pw-j7x5","tags":["advisory"]},{"url":"https://github.com/Bedework/bw-webdav","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-20000","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","status":"published","published":"2018-12-10T02:00:00Z","modified":"2024-09-16T18:44:08.436Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-0798","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","status":"published","published":"2018-12-10T02:00:00Z","modified":"2024-09-16T18:44:08Z","updated_at":"2026-11-03T00:55:29.674428Z"}],"ghsa":[{"id":"GHSA-5p52-j8pw-j7x5","title":"Improper Restriction of XML External Entity Reference in bedework:bw-webdav","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","status":"published","published":"2018-12-19T19:24:52Z","modified":"2024-05-15T06:56:34Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:37:49.48194Z"}],"nvd":[{"id":"CVE-2018-20000","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","status":"published","published":"2018-12-10T02:29:00.233Z","modified":"2026-06-17T01:52:08.593Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:04:49.995593Z"}],"osv":[{"id":"CVE-2018-20000","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","status":"published","published":"2018-12-10T02:29:00.233Z","modified":"2026-10-20T10:50:06.251301347Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"GHSA-5p52-j8pw-j7x5","title":"Improper Restriction of XML External Entity Reference in bedework:bw-webdav","description":"Apereo Bedework bw-webdav before 4.0.3 allows XXE attacks, as demonstrated by an invite-reply document that reads a local file, related to webdav/servlet/common/MethodBase.java and webdav/servlet/common/PostRequestPars.java.","status":"published","published":"2018-12-19T19:24:52Z","modified":"2024-05-15T07:01:49.181734Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T15:46:38.553953Z"}]}}