CVE-2021-2146 is a vulnerability affecting Oracle MySQL Server versions 5.7.33 and prior, and 8.0.23 and prior, specifically within the "Server: Options" component. This vulnerability allows a highly privileged attacker with network access to cause a complete denial of service (DoS) by repeatedly crashing the MySQL Server. With a CVSS 3.1 Base Score of 4.9 (Medium), it is easily exploitable with low attack complexity, impacting only availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.7.0, <= 5.7.33CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* | ||
>= 8.0, <= 8.0.23CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
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.
CVE-2021-2146
Mar 14, 2023mysql: Server: Options unspecified vulnerability (CPU Apr 2021)
Apr 20, 2021Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Supported versions that are affected are 5.7.33 and prior and 8.0.23 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).
Apr 13, 2021