CVE-2024-54676

Name: CVE-2024-54676
Creator: NVD / NIST
Published: 2025-01-08T09:15:07.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 65.18%

Last modified Jun 17, 2026

CVE-2024-54676 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0 Description: Default clustering instructions at https://openmeetings.apache.org/Clustering.html doesn't specify white/black lists for OpenJPA this leads to possible deserialisation of untrusted data. Users are recommended to upgrade to version 8.0.0 and update their startup scripts to include the relevant 'openjpa.serialization.class.blacklist' and 'openjpa.serialization.class.whitelist' configurations as shown in the documentation.. EPSS estimates a 65.18% chance of exploitation in the next 30 days.

Description

Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.1.0 before 8.0.0 Description: Default clustering instructions at https://openmeetings.apache.org/Clustering.html doesn't specify white/black lists for OpenJPA this leads to possible deserialisation of untrusted data. Users are recommended to upgrade to version 8.0.0 and update their startup scripts to include the relevant 'openjpa.serialization.class.blacklist' and 'openjpa.serialization.class.whitelist' configurations as shown in the documentation.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

65.18%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Apache	Openmeetings	>= 2.1, < 8.0.0

References

https://lists.apache.org/thread/o0k05jxrt5tp4nm45lj14yfjxmg67m95Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/01/08/1Mailing List

Timeline

Published: Jan 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-54676?

How severe is CVE-2024-54676?

CVE-2024-54676 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 65.18% probability of exploitation in the next 30 days.

How do I fix CVE-2024-54676?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-54676?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST