CVE-2021-21620
Cross-Site Request Forgery in the Jenkins Claim plugin
4.3
MEDIUM
CVSS 3.1
EPSS 0.25%
Description
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.
How to fix CVE-2021-21620
To remediate CVE-2021-21620, upgrade the affected package to a fixed version below.
- —upgrade to 2.18.2 or later
Is CVE-2021-21620 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.18.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |