CVE-2021-2213 Denial of service in MySQL Server
A high-privileged attacker can cause a complete denial of service in MySQL Server via the Optimizer component.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-2213?
CVE-2021-2213 is a medium-severity denial of service vulnerability in Netapp Active Iq Unified Manager, published on 22 Apr 2021. 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 8.0.22 and prior. 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).
Which versions are affected by CVE-2021-2213?
It affects 5 products.
Products include Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Snapcenter, Oracle Mysql.
How do I fix CVE-2021-2213?
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-2021-2213 being exploited?
There is no known exploitation of CVE-2021-2213 in the wild and no public exploit code.
Other vulnerabilities in Netapp Active Iq Unified Manager
Sources
Also known as GHSA-qhm6-372r-77h8, UBUNTU-CVE-2021-2213.