What’s Vulnerable › Vulnerabilities

CVE-2021-21620

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-24 · updated 2026-06-17
• Weakness: CWE-352

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins Claim Plugin 2.18.1 and earlier allows attackers to change claims.

Affected products

• Jenkins project Jenkins Claim Plugin: through 2.18.1

References

• https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%282%29
• https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2188%20%282%29

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