CVE-2018-20000: Apereo Bw-Webdav

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

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.

Affected products

• Apereo Bw-Webdav: before 4.0.3 (fixed in 4.0.3)

Published 2018-12-10. Last modified 2026-06-17.