CVE-2021-2166 — Oracle Mysql vulnerability

11 documents10 sources
Severity
4.9MEDIUMNVD
EPSS
1.2%
top 21.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
MariadbOracle MysqlOracle Corporation Mysql Server+1 more
Timeline
PublishedApr 22
Latest updateJan 27

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). 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:HExploitability: 1.2 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5oracle_corporation/mysql_server5.7.33 and prior, 8.0.23 and prior+1
▶NVDoracle/mysql5.7.0 — 5.7.33+1
▶NVDmariadb/mariadb10.2.0 — 10.2.38+3

Also affects: Fedora 32, 33, 34

🔴Vulnerability Details

3
GHSA
GHSA-9pgh-f42j-q89p: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML)↗2022-05-24
▶
OSV
CVE-2021-2166: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML)↗2021-04-22
▶
CVEList
CVE-2021-2166: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML)↗2021-04-22
▶

📋Vendor Advisories

7
CISA ICS
Festo Didactic SE MES PC↗2026-01-27
▶
Ubuntu
MySQL vulnerabilities↗2021-10-07
▶
Ubuntu
MySQL vulnerabilities↗2021-05-12
▶
Red Hat
mysql: Server: DML unspecified vulnerability (CPU Apr 2021)↗2021-04-20
▶
Oracle
Oracle Oracle MySQL Risk Matrix: Server: DML — CVE-2021-2166↗2021-04-15
▶
CVE-2021-2166 — Oracle Mysql vulnerability | cvebase