VulnerabilityModified
CVE-2019-16538
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.67 and earlier related to the handling of default parameter expressions in closures allowed attackers to execute arbitrary code in sandboxed scripts.
HIGH 8.8EPSS 1.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.43%). 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 1.67 and earlier related to the handling of default parameter expressions in closures allowed attackers to execute arbitrary code in sandboxed scripts.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.43% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- jenkins/script security
- Source
- jenkinsci-cert@googlegroups.com
References
- http://www.openwall.com/lists/oss-security/2019/11/21/1Mailing List, Third Party Advisory
- https://jenkins.io/security/advisory/2019-11-21/#SECURITY-1658Vendor Advisory
- http://www.openwall.com/lists/oss-security/2019/11/21/1Mailing List, Third Party Advisory
- https://jenkins.io/security/advisory/2019-11-21/#SECURITY-1658Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.