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CVE-2020-2228

22
FAUCET Score

CVE-2020-2228 describes a privilege escalation vulnerability in Jenkins Gitlab Authentication Plugin versions 1.5 and earlier, stemming from improper group authorization checks. This high-severity flaw (CVSS 8.8) allows a low-privileged attacker to achieve high impact on confidentiality, integrity, and availability over the network with low attack complexity. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability carries a FAUCET Risk Score of 68/100.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5CPE matchmatch criteria
cpe:2.3:a:jenkins:gitlab_authentication:*:*:*:*:*: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
1.43%
Probability of exploitation in next 30 days
EPSS Percentile
70.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 68th percentile among its peer group of 17,808 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 (1)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.plugins:gitlab-oauthFixed in: 1.6

Vendor Advisories (1)

mavenGHSA-qq38-mxpq-rrpjhigh

Improper authorization of users and groups with the same base name in Jenkins GitLab Authentication Plugin

May 24, 2022

References

jenkins.io / security/advisory/2020-07-15
Vendor Advisory
openwall.com / lists/oss-security/2020/07/15/5
Mailing ListThird Party Advisory