XXE in Apereo Bw-Webdav
CVE-2018-20000
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.017 (76.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/Bedework/bw-webdav/pull/1 (Patch, Third Party Advisory)
- github.com/Bedework/bw-webdav/compare/bw-webdav-4.0.2...bw-webdav-4.0.3 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20000?
- CVE-2018-20000 is a high-severity vulnerability in Apereo Bw-Webdav, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2018-12-10.
- How severe is CVE-2018-20000?
- High severity. CVSS v3 base score is 7.5 out of 10.