CVE-2020-2279
CVE-2020-2279 is a critical-severity vulnerability in Jenkins Script Security with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Jenkins Script Security
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 Jenkins controller JVM.
- How severe is CVE-2020-2279?
- CVE-2020-2279 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-2279 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-2279?
- CVE-2020-2279 affects Jenkins Script Security. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-2279?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-2279 published?
- CVE-2020-2279 was published on 2020-09-23 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2020/09/23/1
- https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020
Affected products (1)
- cpe:2.3:a:jenkins:script_security:*:*:*:*:*:jenkins:*:*
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