CVE-2021-2202: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Easily exploitable vulnerability allows low 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 5.7.32 and prior and 8.0.22 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/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 5.7.33 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.23
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2202?
CVE-2021-2202 is considered to be an easily exploitable vulnerability that allows low privileged attackers to compromise MySQL Server products.
How do I fix CVE-2021-2202?
To fix CVE-2021-2202, upgrade MySQL Server to version 5.7.33 or 8.0.23 or later.
Which versions of MySQL are affected by CVE-2021-2202?
CVE-2021-2202 affects MySQL Server versions 5.7.32 and prior as well as 8.0.22 and prior.
Can CVE-2021-2202 be exploited remotely?
Yes, CVE-2021-2202 can be exploited by low privileged attackers with network access via multiple protocols.
What components of MySQL are affected by CVE-2021-2202?
CVE-2021-2202 affects the Replication component of the MySQL Server product.