CVE-2021-35638: 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-2021-35638?
CVE-2021-35638 has a high severity rating due to its potential for allowing privileged attackers to compromise MySQL Server.
How do I fix CVE-2021-35638?
To fix CVE-2021-35638, upgrade MySQL Server to version 8.0.27 or later.
What components are affected by CVE-2021-35638?
CVE-2021-35638 affects the MySQL Server component, specifically versions 8.0.26 and prior.
Who is vulnerable to CVE-2021-35638?
Any MySQL Server installation running version 8.0.26 or earlier is vulnerable to CVE-2021-35638.
Can CVE-2021-35638 be exploited remotely?
Yes, CVE-2021-35638 can be easily exploited by high privileged attackers with network access via multiple protocols.