CVE-2021-2001Incorrect Check of Function Return Value in Oracle Mysql

Severity
4.9MEDIUMNVD
EPSS
0.4%
top 41.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 20
Latest updateMay 21

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.50 and prior, 5.7.30 and prior and 8.0.17 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

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 Packages2 packages

CVEListV5oracle_corporation/mysql_server5.6.50 and prior, 5.7.30 and prior, 8.0.17 and prior+2
NVDoracle/mysql5.6.05.6.50+2

Also affects: Fedora 32, 33

🔴Vulnerability Details

3
GHSA
GHSA-2r9w-7426-5qwr: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)2022-05-24
OSV
CVE-2021-2001: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)2021-01-20
CVEList
CVE-2021-2001: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)2021-01-20

📋Vendor Advisories

5
Red Hat
kernel: smackfs: restrict bytes count in smk_set_cipso()2024-05-21
Red Hat
kernel: ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook2024-02-28
Red Hat
mysql: Server: Optimizer unspecified vulnerability (CPU Jan 2021)2021-01-19
Oracle
Oracle Oracle MySQL Risk Matrix: Server: Optimizer — CVE-2021-20012021-01-15
Debian
CVE-2021-2001: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Op...2021
CVE-2021-2001 — Oracle Mysql vulnerability | cvebase