CVE-2025-21492 Denial of service in MySQL Server

What is CVE-2025-21492?

CVE-2025-21492 is a medium-severity denial of service vulnerability in Netapp Active Iq Unified Manager, published on 21 Jan 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: Optimizer). Supported versions that are affected are 8.0.36 and prior and 8.4.0. 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. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-770

Which versions are affected by CVE-2025-21492?

It affects 4 products.

Products include Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Oracle Mysql Server.

How do I fix CVE-2025-21492?

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-2025-21492 being exploited?

There is no known exploitation of CVE-2025-21492 in the wild and no public exploit code.

Other vulnerabilities in Netapp Active Iq Unified Manager

• CVE-2022-31692 Spring Security authorization rules can be bypassed via forward or include dispatcher types Critical 9.8
• CVE-2022-2526 Use after free in systemd-resolved Critical 9.8
• CVE-2022-22978 Authorization bypass in Spring Security Critical 9.8
• CVE-2021-22931 Code injection in Node Critical 9.8
• CVE-2018-2938 Code injection in Java Critical 9.0

All Netapp Active Iq Unified Manager vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5wvx-g27j-hxx8, UBUNTU-CVE-2025-21492.