CVE-2025-30693 Denial of service in MySQL Cluster
High-privileged attackers can cause MySQL Server crashes and modify data via network access, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-30693?
CVE-2025-30693 is a medium-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: InnoDB). 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 hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2025-30693?
3 open source packages ship an affected version, including mysql-client, mariadb and mariadb-min. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
mysql-client Bitnami | All versions | 10.6.22, 11.4.6, 11.8.2 |
mariadb Bitnami | All versions | 10.5.29, 10.6.22, 11.4.6, 11.8.2 |
mariadb-min Bitnami | All versions | 11.4.7, 11.8.2 |
Products include Oracle Mysql Cluster, Oracle Mysql Server.
How do I fix CVE-2025-30693?
Upgrade mysql-client to a fixed version for your release line: 10.6.22, 11.4.6 or 11.8.2.
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-2025-30693 being exploited?
There is no known exploitation of CVE-2025-30693 in the wild and no public exploit code.
Other vulnerabilities in Oracle Mysql Cluster
- CVE-2026-60163 Privilege escalation in MySQL Cluster
- CVE-2026-60592 Denial of service in MySQL Cluster
- CVE-2026-60315 Information disclosure in MySQL Cluster
- CVE-2026-101772 Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs).
- CVE-2026-70724 Auth bypass in MySQL Cluster
Sources
Also known as AZL-62128, AZL-62174, BELL-CVE-2025-30693, BIT-mariadb-2025-30693, BIT-mariadb-min-2025-30693, BIT-mysql-client-2025-30693 and 13 more.