CVE-2020-2179 json
RCE vulnerability in Jenkins Yaml Axis Plugin
published 6y ago modified 4mo ago also GHSA-324h-2v7h-q3xx , EUVD-2022-2078
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
Jenkins Yaml Axis Plugin 0.2.0 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
Patch / fix
Is CVE-2020-2179 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.87% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:yaml-axis | <0.2.1 |
0.2.1 |
Affected products
- Jenkins project Jenkins Yaml Axis Plugin
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/jenkinsci/yaml-axis-plugin/commit/346802860c68a5a9bb4996c81fed4e05bee594f4
web
-
jenkins.io
/security/advisory/2020-04-16/#SECURITY-1825
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/04/16/4
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2179
advisory
-
github.com
/jenkinsci/yaml-axis-plugin
package
Sources
- CVE List CVE-2020-2179
- GitHub Advisory GHSA-324h-2v7h-q3xx
- NVD CVE-2020-2179
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.