How severe is CVE-2024-54676?

CVE-2024-54676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-54676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-54676?

CVE-2024-54676 affects Apache Openmeetings. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-54676?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-54676 have an EU (EUVD) identifier?

Yes. CVE-2024-54676 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0037.

When was CVE-2024-54676 published?

CVE-2024-54676 was published on 2025-01-08 and last updated on 2026-06-17.

CVE-2024-54676

CVE-2024-54676 is a critical-severity vulnerability in Apache Openmeetings with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 65% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 65% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-0037
Weakness: CWE-502
Affected product: Apache Openmeetings
Published: 2025-01-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-54676?: 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.
How severe is CVE-2024-54676?: CVE-2024-54676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-54676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-54676?: CVE-2024-54676 affects Apache Openmeetings. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-54676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-54676 have an EU (EUVD) identifier?: Yes. CVE-2024-54676 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0037.
When was CVE-2024-54676 published?: CVE-2024-54676 was published on 2025-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:openmeetings:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Openmeetings

CVE-2017-7664 — Critical (CVSS 10.0): Uploaded XML documents were not correctly validated in Apache OpenMeetings 3.1.0.
CVE-2023-28326 — Critical (CVSS 9.8): Vendor: The Apache Software Foundation Versions Affected: Apache OpenMeetings from 2.0.0 before 7.0.0 Description:…
CVE-2016-8736 — Critical (CVSS 9.8): Apache OpenMeetings before 3.1.2 is vulnerable to Remote Code Execution via RMI deserialization attack.
CVE-2017-7673 — Critical (CVSS 9.8): Apache OpenMeetings 1.0.0 uses not very strong cryptographic storage, captcha is not used in registration and forget…
CVE-2017-7681 — High (CVSS 8.8): Apache OpenMeetings 1.0.0 is vulnerable to SQL injection. This allows authenticated users to modify the structure of…
CVE-2017-7666 — High (CVSS 8.8): Apache OpenMeetings 1.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, XSS attacks, click-jacking, and…

All CVEs affecting Apache Openmeetings →

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

CVE-2026-41104 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose…
CVE-2026-43633 — Critical (CVSS 10.0): HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a…
CVE-2026-33819 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2026-25632 — Critical (CVSS 10.0): EPyT-Flow is a Python package designed for the easy generation of hydraulic and water quality scenario data of water…
CVE-2025-14931 — Critical (CVSS 10.0): Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability.…

Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →