CVE-2023-21883 is a denial-of-service vulnerability affecting Oracle MySQL Server versions 8.0.31 and prior, specifically within the Optimizer component. This easily exploitable vulnerability allows a highly privileged attacker with network access to cause a complete system hang or repeatable crash of the MySQL Server. With a CVSS 3.1 Base Score of 4.9 (Medium), its primary impact is on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.0.0, <= 8.0.31CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
mysql: Server: Optimizer unspecified vulnerability (CPU Jan 2023)
Jan 17, 2023Vulnerability 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).
Jan 10, 2023