CVE-2025-30681 Denial of service in MySQL Cluster

Low 2.7 Published 15 Apr 2025 Updated 3 Nov 2025

A high-privileged attacker can cause a partial denial of service in MySQL Server via network access.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2025-30681?

CVE-2025-30681 is a low-severity denial of service vulnerability in Oracle Mysql Cluster, published on 15 Apr 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).

Weakness: CWE-400

Which versions are affected by CVE-2025-30681?

It affects 2 products.

Products include Oracle Mysql Cluster, Oracle Mysql Server.

How do I fix CVE-2025-30681?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-30681 being exploited?

There is no known exploitation of CVE-2025-30681 in the wild and no public exploit code.

All Oracle Mysql Cluster vulnerabilities

Sources

Also known as AZL-62131, AZL-62210, GHSA-grxg-qf98-pfw3, MINI-72cw-x7xv-6ch5, MINI-gwv6-hf4f-x672, MINI-wp8q-526h-jr29 and 1 more.