Medium

Cross-Site Request Forgery in the Jenkins Claim plugin

  • Disclosed: 16.06.2021
  • Updated: 11.10.2026 11:22

Jenkins Claim Plugin 2.18.1 and earlier does not require POST requests for the form submission endpoint assigning claims, resulting in a cross-site request forgery (CSRF) vulnerability.

This vulnerability allows attackers to change claims.

Jenkins Claim Plugin 2.18.2 requires POST requests for the affected HTTP endpoint.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.jenkins-ci.plugins:claim < 2.18.2 2.18.2

References

CVSS score 4.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-352
Platform
Java / Kotlin (Maven)
Package
org.jenkins-ci.plugins:claim
Disclosed
16.06.2021
Updated
11.10.2026 11:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-4ffq-6g62-j4v4 - CC BY 4.0

Vulnerability history: org.jenkins-ci.plugins:claim

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
06.2021 05.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Medium 2

Disclosures per year

  1. 2021: 1
  2. 2022: 1
  3. 2023: 0
  4. 2024: 0
  5. 2025: 0
  6. 2026: 0
  1. Medium · 5.4 CVE-2021-21619 < 2.18.2 2.18.2
  2. Cross-Site Request Forgery in the Jenkins Claim plugin this entry
    Medium · 4.3 CVE-2021-21620 < 2.18.2 2.18.2

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.