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CVE-2021-21624

16
FAUCET Score

CVE-2021-21624 describes an incorrect permission check in the Jenkins Role-based Authorization Strategy Plugin (versions 3.1 and earlier). This flaw allows authenticated attackers with Item/Read permission on a nested item to bypass security controls and access that item, even if they lack the necessary Item/Read permission for its parent folders. Rated as Medium severity (CVSS 4.3), this vulnerability has a low attack complexity and could lead to unauthorized information disclosure (C:L). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1CPE matchmatch criteria
cpe:2.3:a:jenkins:role-based_authorization_strategy:*:*:*:*:*:jenkins:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 67th percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.plugins:role-strategyFixed in: 3.1.1
jenkinsvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-rm4m-39fj-288cmedium

Incorrect permission checks in Jenkins Role-based Authorization Strategy Plugin may allow accessing some items

May 24, 2022

References

jenkins.io / security/advisory/2021-03-18
Vendor Advisory
openwall.com / lists/oss-security/2021/03/18/5
Third Party Advisory