CVE-2021-2087 Denial of service in MySQL Server

What is CVE-2021-2087?

CVE-2021-2087 is a medium-severity denial of service vulnerability in Netapp Oncommand Insight, published on 20 Jan 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: DML). Supported versions that are affected are 8.0.22 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-2021-2087?

It affects 4 products.

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

How do I fix CVE-2021-2087?

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-2021-2087 being exploited?

There is no known exploitation of CVE-2021-2087 in the wild and no public exploit code.

Other vulnerabilities in Netapp Oncommand Insight

• CVE-2017-5600 Hardcoded credentials in n/a Critical 9.8
• CVE-2018-1258 Spring Framework when used in combination with any versions of Spring Security contains an authorization bypass High 8.8
• CVE-2020-5421 RFD Protection Bypass via jsessionid High 8.7
• CVE-2022-38733 Auth bypass in OnCommand Insight High 8.6
• CVE-2023-22102 MySQL Connectors takeover vulnerability High 8.3

All Netapp Oncommand Insight vulnerabilities

Sources

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

Also known as GHSA-cv7g-x7qp-j3gc, UBUNTU-CVE-2021-2087.