CVE-2020-2279
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 2.13% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- jenkins/script security
- Source
- jenkinsci-cert@googlegroups.com
EPSS 2.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2020/09/23/1Third Party Advisory
- https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020Vendor Advisory
- http://www.openwall.com/lists/oss-security/2020/09/23/1Third Party Advisory
- https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.