CVE-2021-35635: 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-2021-35635?
CVE-2021-35635 has a high severity rating due to its potential for exploitation by high privileged attackers.
How do I fix CVE-2021-35635?
To resolve CVE-2021-35635, upgrade your MySQL Server to version 8.0.27 or later.
What systems are affected by CVE-2021-35635?
CVE-2021-35635 affects MySQL Server versions 8.0.26 and prior.
Who can exploit CVE-2021-35635?
CVE-2021-35635 can be exploited by attackers with high privileges and network access via multiple protocols.
What component of MySQL Server is vulnerable in CVE-2021-35635?
CVE-2021-35635 affects the Optimizer component of the MySQL Server product.