CVE-2024-54676: apache software foundation apache openmeetings Deserialization of Untrusted Data
Vulnerability summary
CVE-2024-54676 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in apache software foundation apache openmeetings. EPSS estimates a 68.78% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities.
Timeline
- 08-01-2025PublishedVulnerability first disclosed.
- 08-01-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 2 versions- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
68.78%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+3.84 pp
From 64.94% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache1 product
- openmeetings≥ 2.1, < 8.0.0
Apache software foundation1 product
- apache openmeetings≥ 2.1, < 8.0.0
Org.apache.openmeetings1 product
- openmeetings-parent≥ 2.1.0, < 8.0.0
3 vendors · 3 products