CVE-2021-2299: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 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:
https://www.oracle.com/security-alerts/cpuapr2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 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 8.0.24
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2299?
CVE-2021-2299 is classified as easily exploitable, allowing high privileged attackers to compromise MySQL Server.
Which versions are affected by CVE-2021-2299?
CVE-2021-2299 affects MySQL Server versions 8.0.23 and prior.
How do I fix CVE-2021-2299?
To fix CVE-2021-2299, upgrade MySQL Server to version 8.0.24 or later.
What components are involved in CVE-2021-2299?
CVE-2021-2299 involves the MySQL Server component specifically the Optimizer.
Can CVE-2021-2299 be exploited remotely?
Yes, CVE-2021-2299 can be exploited remotely by attackers with network access.