CVE-2020-2903: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are 8.0.19 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:
https://www.oracle.com/security-alerts/cpuapr2020.html
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are 8.0.19 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
— Debian
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-2903?
CVE-2020-2903 is a vulnerability in the MySQL Server product of Oracle MySQL that allows a high privileged attacker with network access to compromise MySQL Server.
Which versions of MySQL Server are affected by CVE-2020-2903?
CVE-2020-2903 affects versions 8.0.19 and prior of MySQL Server.
How can the MySQL Server vulnerability CVE-2020-2903 be exploited?
The vulnerability CVE-2020-2903 can be easily exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.
How severe is the MySQL Server vulnerability CVE-2020-2903?
The severity of the MySQL Server vulnerability CVE-2020-2903 is medium, with a severity value of 4.9.
Where can I find more information about the MySQL Server vulnerability CVE-2020-2903?
You can find more information about the MySQL Server vulnerability CVE-2020-2903 at the following references: [NetApp Security Advisory](https://security.netapp.com/advisory/ntap-20200416-0003/), [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpuapr2020.html), [Ubuntu Security Notice](https://usn.ubuntu.com/4350-1/).