CVE-2023-21917

MEDIUM

MySQL Server < 8.0.30 - Authenticated Denial of Service in Optimizer

Title source: llm
STIX 2.1

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.30 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).

References (2)

Core 2
Core References
Patch, Vendor Advisory vendor-advisory
https://www.oracle.com/security-alerts/cpuapr2023.html

Scores

CVSS v3 4.9
EPSS 0.0038
EPSS Percentile 59.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (1)
oracle/mysql_server 8.0.0 - 8.0.30
Published Apr 18, 2023
Tracked Since Feb 18, 2026