CVE Vulnerabilities

CVE-2021-2020

Published: Jan 20, 2021 | Modified: Nov 07, 2023
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.8 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:C
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.20 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Affected Software

Name Vendor Start Version End Version
Mysql Oracle 8.0.0 (including) 8.0.20 (including)
Red Hat Enterprise Linux 8 RedHat mysql:8.0-8020020200828111438.4cda2c84 *
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions RedHat mysql:8.0-8000020200828111808.f8e95b4e *
Red Hat Enterprise Linux 8.1 Extended Update Support RedHat mysql:8.0-8010020200828111645.c27ad7f8 *
Red Hat Software Collections for Red Hat Enterprise Linux 7 RedHat rh-mysql80-mysql-0:8.0.21-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS RedHat rh-mysql80-mysql-0:8.0.21-1.el7 *
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS RedHat rh-mysql80-mysql-0:8.0.21-1.el7 *
Mariadb-10.0 Ubuntu esm-apps/xenial *
Mariadb-10.0 Ubuntu xenial *
Mariadb-10.3 Ubuntu groovy *
Mariadb-5.5 Ubuntu trusty *
Mysql-5.5 Ubuntu esm-infra-legacy/trusty *
Mysql-5.5 Ubuntu precise/esm *
Mysql-5.5 Ubuntu trusty *
Mysql-5.5 Ubuntu trusty/esm *
Mysql-5.6 Ubuntu trusty *
Mysql-8.0 Ubuntu focal *
Mysql-8.0 Ubuntu upstream *
Percona-server-5.6 Ubuntu esm-apps/xenial *
Percona-server-5.6 Ubuntu xenial *
Percona-xtradb-cluster-5.5 Ubuntu trusty *
Percona-xtradb-cluster-5.6 Ubuntu esm-apps/xenial *
Percona-xtradb-cluster-5.6 Ubuntu xenial *

References