CVE-2021-35646: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 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: Optimizer). 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
Event History
Frequently Asked Questions
What is the severity of CVE-2021-35646?
CVE-2021-35646 is considered a high severity vulnerability.
How do I fix CVE-2021-35646?
To fix CVE-2021-35646, upgrade your MySQL Server to version 8.0.27 or later.
Who is impacted by CVE-2021-35646?
CVE-2021-35646 affects users of MySQL Server versions 8.0.26 and prior.
Can CVE-2021-35646 be exploited remotely?
Yes, CVE-2021-35646 can be easily exploited by high privileged attackers with network access.
What component is affected in CVE-2021-35646?
CVE-2021-35646 affects the MySQL Server component, specifically the query optimizer.