{"cve":"CVE-2018-20000","nvd":{"published":"2018-12-10T02:29:00.233","modified":"2026-06-17T01:52:08.593","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-611"],"references":["https://github.com/Bedework/bw-webdav/compare/bw-webdav-4.0.2...bw-webdav-4.0.3","https://github.com/Bedework/bw-webdav/pull/1","https://github.com/Bedework/bw-webdav/compare/bw-webdav-4.0.2...bw-webdav-4.0.3","https://github.com/Bedework/bw-webdav/pull/1"],"products":["apereo:bw-webdav"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20000","score":0.01687,"percentile":0.77032,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5p52-j8pw-j7x5","url":"https://osv.dev/vulnerability/GHSA-5p52-j8pw-j7x5","summary":"Improper Restriction of XML External Entity Reference in bedework:bw-webdav","modified":"2024-05-15T07:01:49.181734Z","packages":[{"ecosystem":"Maven","name":"org.bedework:bw-webdav","purl":"pkg:maven/org.bedework/bw-webdav","ranges":[">=4.0.1 <4.0.3"],"fixed":["4.0.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}