CVE-2021-21701 json
XXE vulnerability in Jenkins Performance Plugin
published 2021-11-12 4 y ago modified 2026-06-17 4 mo ago also GHSA-hr8p-76q8-fxwq , EUVD-2022-4202
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
Jenkins Performance Plugin 3.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Exploit prediction
1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:performance | <=3.20 |
no fix listed |
Affected products
- Jenkins project Jenkins Performance Plugin
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
jenkins.io
/security/advisory/2021-11-12/#SECURITY-2394
web, vendor-advisory
-
openwall.com
/lists/oss-security/2021/11/12/1
mailing-list, web, third-party-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-1313/
third-party-advisory, vdb-entry
-
nvd.nist.gov
/vuln/detail/CVE-2021-21701
advisory
-
github.com
/jenkinsci/performance-plugin
package
-
zerodayinitiative.com
/advisories/ZDI-21-1313
web
Sources
- CVE List CVE-2021-21701
- GitHub Advisory GHSA-hr8p-76q8-fxwq
- NVD CVE-2021-21701
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