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Vulnerabilities

Vulnerability · CVE-2025-3984

A vulnerability was found in Apereo CAS 5.2.6 and classified as critical.

Published Apr 27, 2025 · catalog updated Apr 28, 2025 · CAS

Check if you run it

No confirmed exploitation is on record for CVE-2025-3984. EPSS is 0.48%. Act only if a listed version of CAS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.48%
Remediation
Vendor / distro source
Affected products
vendor apereo CAS 5.2.6

A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Affected by this issue is the function saveService of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\RegisteredServiceSimpleFormController.java of the component Groovy Code Handler. The manipulation leads to code injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure bu

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor apereo CAS 5.2.65.2.6

How to fix CVE-2025-3984

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-3984. EPSS is 0.48%. Act only if a listed version of CAS is installed.

Which versions are affected?

Compare what you have installed with apereo CAS 5.2.6 5.2.6. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 27, 2025 · EUVD

    Detected

    A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Affected by this issue is the function saveService of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\RegisteredServiceSimpleFormController.java of the component Groovy Code Handler. The manipulation leads to code injection. The attack may be launched remotely. The

  2. Apr 28, 2025 · EUVD

    Updated

    A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Affected by this issue is the function saveService of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\RegisteredServiceSimpleFormController.java of the component Groovy Code Handler. The manipulation leads to code injection. The attack may be launched remotely. The

Sources

  • CVE.orgVulnerability recordCVE-2025-3984

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3984

    30-day exploitation probability 0.5%

    first.org
  • EUVDVulnerability recordEUVD-2025-12431

    A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Affected by this issue is the function saveService of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\RegisteredServiceSimpleFormController.java o

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.