CVE-2023-21976

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.32 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).

4.9

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.04%

Vendor Advisory oracle.com

Affected: Oracle Corporation MySQL Server

References

Link	Tags
https://www.oracle.com/security-alerts/cpuapr2023.html	vendor advisory
https://security.netapp.com/advisory/ntap-20230427-0007/

Frequently Asked Questions

What is the severity of CVE-2023-21976?: CVE-2023-21976 has been scored as a medium severity vulnerability.
How to fix CVE-2023-21976?: To fix CVE-2023-21976, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21976 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-21976 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21976?: CVE-2023-21976 affects Oracle Corporation MySQL Server.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.