CVE-2020-2926: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication GCS). Supported versions that are affected are 8.0.19 and prior. Difficult to exploit 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:
https://www.oracle.com/security-alerts/cpuapr2020.html
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication GCS). Supported versions that are affected are 8.0.19 and prior. Difficult to exploit 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 3.0 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
— Debian
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-2926?
The severity of CVE-2020-2926 is medium with a severity value of 4.4.
How does CVE-2020-2926 affect MySQL Server?
CVE-2020-2926 affects MySQL Server versions 8.0.19 and prior.
How can a high privileged attacker exploit CVE-2020-2926?
A high privileged attacker with network access via multiple protocols can exploit CVE-2020-2926 to compromise MySQL Server.
Which software versions are affected by CVE-2020-2926?
MySQL Server versions 8.0.19 and prior are affected by CVE-2020-2926.
Are there any remediation steps available for CVE-2020-2926?
At the moment, there are no specific remediation steps available for CVE-2020-2926. Please refer to the references for any updates or patches.