CVE-2021-2174: Medium severity mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Difficult to exploit 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:
https://www.oracle.com/security-alerts/cpuapr2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2174?
CVE-2021-2174 is classified as a difficult to exploit vulnerability with high impact, allowing highly privileged attackers to compromise MySQL Server.
Which versions are affected by CVE-2021-2174?
CVE-2021-2174 affects MySQL versions 5.7.33 and prior, as well as 8.0.23 and prior.
How do I fix CVE-2021-2174?
To address CVE-2021-2174, upgrade MySQL to version 5.7.34 or 8.0.24.
What components of MySQL are impacted by CVE-2021-2174?
CVE-2021-2174 specifically impacts the InnoDB component of the MySQL Server product.
What types of attackers can exploit CVE-2021-2174?
CVE-2021-2174 can be exploited by high privileged attackers with network access using multiple protocols.