CVE-2020-2279 json
Sandbox bypass vulnerability in Jenkins Script Security Plugin
published 2020-09-23 6 y ago modified 2026-06-17 4 mo ago also GHSA-ccr8-4xr7-cgj3 , EUVD-2022-3563
- cvss
- 9.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.74 and earlier allows attackers with permission to define sandboxed scripts to provide crafted return values or script binding content that can result in arbitrary code execution on the Jenkins controller JVM.
Patch / fix
- maven org.jenkins-ci.plugins:script-security 1.66.5, 1.75
- Jenkins project Jenkins Script Security Plugin 1.66.5
Exploit prediction
2.13% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:script-security | >=1.67, <1.75 <1.66.5 |
1.75 1.66.5 |
Affected products
- Jenkins project Jenkins Script Security Plugin
Classification
- Weakness
-
- CWE-693 Protection Mechanism Failure
References
-
github.com
/jenkinsci/script-security-plugin/commit/79d1e9207c5c359ca779b92f0a290e18c5e2387b
web
-
jenkins.io
/security/advisory/2020-09-23/#SECURITY-2020
web, vendor-advisory
-
openwall.com
/lists/oss-security/2020/09/23/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-2279
advisory
-
github.com
/CVEProject/cvelist/blob/16860a328d970faa6e4350b0fa446f64a52e52ca/2020/2xxx/CVE-2020-2279.json
web
-
github.com
/jenkinsci/script-security-plugin
package
Sources
- CVE List CVE-2020-2279
- GitHub Advisory GHSA-ccr8-4xr7-cgj3
- NVD CVE-2020-2279
Fencer Vulns 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.