CVE-2019-10431
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.64 and earlier related to the handling of default parameter expressions in constructors allowed attackers to execute arbitrary code in sandboxed scripts.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.75%). 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 1.64 and earlier related to the handling of default parameter expressions in constructors allowed attackers to execute arbitrary code in sandboxed scripts.
- 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
- 2.75% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- jenkins/script security
- Source
- jenkinsci-cert@googlegroups.com
EPSS 2.8% since 27 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/2019/10/01/2Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4055
- https://access.redhat.com/errata/RHSA-2019:4089
- https://access.redhat.com/errata/RHSA-2019:4097
- https://jenkins.io/security/advisory/2019-10-01/#SECURITY-1579Vendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/01/2Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4055
- https://access.redhat.com/errata/RHSA-2019:4089
- https://access.redhat.com/errata/RHSA-2019:4097
- https://jenkins.io/security/advisory/2019-10-01/#SECURITY-1579Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.