Vulnerability in Oracle MySQL
CVE-2023-21876
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.31 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).
EPSS: 0.009 (54.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Oracle Mysql
- Oracle Corporation Mysql Server — versions 8.0.31 and prior
References
- secalert_us@oracle.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21876?
- CVE-2023-21876 is a medium-severity vulnerability in Oracle MySQL. CVSS score: 4.9/10. Published 2023-01-18.
- How severe is CVE-2023-21876?
- Medium severity. CVSS v3 base score is 4.9 out of 10.