CVE-2020-2166 json
RCE vulnerability in Jenkins Pipeline: AWS Steps Plugin
published 6y ago modified 4mo ago also GHSA-w598-25hm-jqx3 , EUVD-2022-5503
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
Jenkins Pipeline: AWS Steps Plugin 1.40 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
Patch / fix
- maven de.taimos:pipeline-aws 1.41
Is CVE-2020-2166 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
2.03% chance of exploitation in the next 30 days, higher than 81% 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 | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | de.taimos:pipeline-aws | <1.41 |
1.41 |
Affected products
- Jenkins project Jenkins Pipeline: AWS Steps Plugin
Classification
References
-
jenkins.io
/security/advisory/2020-03-25/#SECURITY-1741
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/03/25/2
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2166
advisory
-
github.com
/jenkinsci/pipeline-aws-plugin
package
Sources
- CVE List CVE-2020-2166
- GitHub Advisory GHSA-w598-25hm-jqx3
- NVD CVE-2020-2166
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.