CVE-2021-2370: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.0.25 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.
External References:
http://www.oracle.com/security-alerts/cpujul2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.0.25 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).
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.26
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2370?
CVE-2021-2370 is considered a high severity vulnerability due to its exploitability by high privileged attackers.
How do I fix CVE-2021-2370?
To fix CVE-2021-2370, upgrade MySQL Server to version 8.0.26 or later.
Which versions of MySQL Server are affected by CVE-2021-2370?
CVE-2021-2370 affects MySQL Server versions 8.0.25 and earlier.
What kind of access is required to exploit CVE-2021-2370?
Exploitation of CVE-2021-2370 requires network access, allowing attackers to compromise the MySQL Server.
What components are associated with CVE-2021-2370?
CVE-2021-2370 is associated with the Server: DML component of the MySQL Server product.