CVE-2021-2402: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Locking). 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: Locking). 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-2021-2402?
CVE-2021-2402 is considered a high-severity vulnerability due to its potential for high privileged attackers to compromise MySQL Server.
How do I fix CVE-2021-2402?
To fix CVE-2021-2402, upgrade your MySQL Server to version 8.0.26 or later.
What versions are affected by CVE-2021-2402?
CVE-2021-2402 affects MySQL Server version 8.0.25 and prior.
Can CVE-2021-2402 be exploited remotely?
Yes, CVE-2021-2402 can be exploited remotely by attackers with network access through multiple protocols.
What components of Oracle MySQL are impacted by CVE-2021-2402?
CVE-2021-2402 impacts the Server: Locking component of Oracle MySQL.