What is CVE-2021-21626?

CVE-2021-21626 is a medium-severity vulnerability in Jenkins Warnings Next Generation, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-03-18.

How severe is CVE-2021-21626?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jenkins Warnings Next Generation

CVE-2021-21626

Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.

Vulnerability class: Broken Access Control

EPSS: 0.009 (54.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Jenkins Warnings_next_generation
Jenkins Project Warnings Next Generation Plugin — versions unspecified, 8.4.3.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2021-21626?: CVE-2021-21626 is a medium-severity vulnerability in Jenkins Warnings Next Generation, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-03-18.
How severe is CVE-2021-21626?: Medium severity. CVSS v3 base score is 4.3 out of 10.