CVE-2021-2178 is a vulnerability affecting Oracle MySQL Server versions 5.7.32 and prior, and 8.0.22 and prior, specifically within the Server: Replication component. This easily exploitable flaw allows a low-privileged attacker with network access to cause a complete denial of service (DoS) by frequently crashing or hanging the MySQL Server. With a CVSS 3.1 Base Score of 6.5 (Medium), the primary impact is on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.7.0, <= 5.7.32CPE matchmatch criteria | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* | ||
>= 8.0.0, <= 8.0.22CPE 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:L/UI:N/S:U/C:N/I:N/A:H
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