CVE-2021-35632 Denial of service in MySQL Server

Medium 4.4 Published 20 Oct 2021 Updated 25 Sep 2024

A high-privileged attacker can cause a complete denial of service in MySQL Server by triggering a crash or hang.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-35632?

CVE-2021-35632 is a medium-severity denial of service vulnerability in Netapp Oncommand Insight, published on 20 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Data Dictionary). Supported versions that are affected are 8.0.26 and prior. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2021-35632?

It affects 3 products.

Products include Netapp Oncommand Insight, Netapp Snapcenter, Oracle Mysql.

How do I fix CVE-2021-35632?

Upgrade to a fixed version.

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-2021-35632 being exploited?

There is no known exploitation of CVE-2021-35632 in the wild and no public exploit code.

All Netapp Oncommand Insight vulnerabilities

Sources

Also known as AZL-6724, GHSA-g232-jwjh-92qf, UBUNTU-CVE-2021-35632.