CVE-2021-2171: Medium severity mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). 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: Server: Replication). 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-2021-2171?
CVE-2021-2171 is classified as a difficult to exploit vulnerability that allows a high privileged attacker with network access to compromise MySQL servers.
How do I fix CVE-2021-2171?
To resolve CVE-2021-2171, upgrade your MySQL server to version 5.7.34 or 8.0.24 or later.
What versions of MySQL are affected by CVE-2021-2171?
CVE-2021-2171 affects MySQL versions 5.7.33 and prior, as well as 8.0.23 and prior.
Who can exploit CVE-2021-2171?
CVE-2021-2171 can potentially be exploited by high privileged attackers with network access.
What components of MySQL does CVE-2021-2171 impact?
CVE-2021-2171 impacts the MySQL Server component, specifically related to the replication functionality.