XXE in Jenkins Nested View
CVE-2021-21680
Jenkins Nested View Plugin 1.20 and earlier does not configure its XML transformer to prevent XML external entity (XXE) attacks.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Jenkins Nested View
- Jenkins Project Nested View Plugin — versions unspecified, 1.19.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.jenkins.io/security/advisory/2021-08-31/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/08/31/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21680?
- CVE-2021-21680 is a high-severity vulnerability in Jenkins Nested View, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2021-08-31.
- How severe is CVE-2021-21680?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-21680 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.