CVE-2021-2440: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). 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: DML). 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-2021-2440?
CVE-2021-2440 is considered a high severity vulnerability due to its potential for exploitation by high privileged attackers.
How do I fix CVE-2021-2440?
To mitigate CVE-2021-2440, upgrade your MySQL Server to version 8.0.26 or later.
Which versions of MySQL Server are affected by CVE-2021-2440?
CVE-2021-2440 affects MySQL Server versions 8.0.25 and prior.
Can CVE-2021-2440 be exploited remotely?
Yes, CVE-2021-2440 can be easily exploited remotely by attackers with network access.
What components of MySQL Server are vulnerable in CVE-2021-2440?
CVE-2021-2440 specifically affects the DML component of the MySQL Server product.