Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-2109

22
FAUCET Score

CVE-2020-2109 describes a critical vulnerability in Jenkins Pipeline: Groovy Plugin versions 2.78 and earlier, where sandbox protection can be bypassed using default parameter expressions in CPS-transformed methods. This vulnerability carries a high CVSS score of 8.8, indicating a severe impact with high confidentiality, integrity, and availability risks, and can be exploited remotely with low privileges and complexity. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, its high FAUCET Risk Score of 70/100 warrants attention. Organizations using affected Jenkins Groovy Plugin versions should prioritize patching to mitigate potential risks.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.78CPE matchmatch criteria
cpe:2.3:a:jenkins:pipeline\:_groovy:*:*:*:*:*:jenkins:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.27%
Probability of exploitation in next 30 days
EPSS Percentile
66.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0127 is in the 64th percentile among its peer group of 17,844 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.plugins.workflow:workflow-cpsFixed in: 2.79
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: jenkins-2-plugins-0:3.11.1591354111-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.3Fixed in: jenkins-2-plugins-0:4.3.1597915133-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.4Fixed in: jenkins-2-plugins-0:4.4.1592817009-1.el7
View patch

Vendor Advisories (2)

mavenGHSA-99mf-f3qh-wqrphigh

Improper Input Validation in Jenkins Pipeline: Groovy Plugin

May 24, 2022
redhatCVE-2020-2109Important

jenkins-pipeline-groovy-plugin: sandbox protection bypass through default parameter expressions in CPS-transformed methods

Feb 12, 2020

References

jenkins.io / security/advisory/2020-02-12
Vendor Advisory
openwall.com / lists/oss-security/2020/02/12/3
Mailing ListThird Party Advisory