CVE-2021-35596: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Error Handling). Supported versions that are affected are 8.0.26 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/cpuoct2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Error Handling). Supported versions that are affected are 8.0.26 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 8.0.27
Event History
Frequently Asked Questions
What is the severity of CVE-2021-35596?
CVE-2021-35596 has a high severity level due to its potential for exploitation by high-privileged attackers.
How do I fix CVE-2021-35596?
You can fix CVE-2021-35596 by upgrading MySQL Server to version 8.0.27 or later.
Which MySQL versions are affected by CVE-2021-35596?
CVE-2021-35596 affects MySQL Server versions 8.0.26 and prior.
Who is impacted by CVE-2021-35596?
Users with MySQL Server versions 8.0.26 and earlier are impacted by CVE-2021-35596.
What protocols can be used to exploit CVE-2021-35596?
CVE-2021-35596 can be exploited via multiple network protocols.