CVE-2021-2425: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.25 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/cpujul2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.25 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-2021-2425?
CVE-2021-2425 is classified as a high severity vulnerability due to its potential for exploitation by privileged attackers with network access.
How do I fix CVE-2021-2425?
To fix CVE-2021-2425, upgrade to MySQL Server version 8.0.26 or later.
Who is affected by CVE-2021-2425?
CVE-2021-2425 affects MySQL Server versions 8.0.25 and earlier across supported platforms.
What type of attack is possible with CVE-2021-2425?
CVE-2021-2425 allows an attacker with high privileges and network access to compromise the MySQL Server.
Is there a workaround for CVE-2021-2425?
There are no recommended workarounds for CVE-2021-2425; updating to the patched version is advised.