What is CVE-2025-3986?

CVE-2025-3986 is a medium-severity vulnerability in Apereo Cas, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2025-04-27.

How severe is CVE-2025-3986?

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

Resource exhaustion in Apereo Cas

CVE-2025-3986

A vulnerability was found in Apereo CAS 5.2.6. It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\core\cas-server-core-configuration-metadata-repository\src\main\java\org\apereo\cas\metadata\…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (40.0th 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:N/A:L.

Affected products

Apereo Cas — versions 5.2.6
Apereo Central_authentication_service — versions 5.2.6

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (exploit, Not Applicable)

Frequently asked questions

What is CVE-2025-3986?: CVE-2025-3986 is a medium-severity vulnerability in Apereo Cas, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2025-04-27.
How severe is CVE-2025-3986?: Medium severity. CVSS v3 base score is 4.3 out of 10.