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CVE-2020-2279

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-23 · updated 2026-06-17

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.

Affected products

• Jenkins project Jenkins Script Security Plugin: through 1.74

References

• http://www.openwall.com/lists/oss-security/2020/09/23/1
• https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020
• http://www.openwall.com/lists/oss-security/2020/09/23/1
• https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020

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