CVE-2025-31720: jenkins Auth Bypass — Fix

Description

A missing permission check in Jenkins 2.503 and earlier, LTS 2.492.2 and earlier allows attackers with Computer/Create permission but without Computer/Extended Read permission to copy an agent, gaining access to its configuration.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
jenkins	jenkins	< 2.492.3
jenkins	jenkins	< 2.504

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2025-04-02/#SECURITY-3512

Frequently Asked Questions

What is CVE-2025-31720? +

A missing permission check in Jenkins 2.503 and earlier, LTS 2.492.2 and earlier allows attackers with Computer/Create permission but without Computer/Extended Read permission to copy an agent, gaining access to its configuration. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-31720? +

CVE-2025-31720 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-31720? +

CVE-2025-31720 affects products from jenkins, specifically: jenkins. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-31720? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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