PT-2020-4522 · Mysql Server+7 · Mysql Server+7

Published

2020-10-20

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Updated

2022-04-12

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CVE-2020-14794

CVSS v3.1

7.2

High

VectorAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.0.21 and prior
Description The issue is related to insufficient input validation in the MySQL Server component, specifically in the Optimizer subsystem. This can be exploited by a remote attacker to cause a denial of service, resulting in the ability to hang or crash the MySQL Server. The vulnerability can be exploited via multiple protocols, allowing a high-privileged attacker with network access to compromise the server.
Recommendations For MySQL Server versions 8.0.21 and prior, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

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Weakness Enumeration

CWE-20

Related Identifiers

ALSA-2021:3590
ALT-PU-2020-3284
ALT-PU-2021-2380
ALT-PU-2021-3668
BDU:2020-05071
CESA-2021_3590
CVE-2020-14794
RHSA-2021:3590
RHSA-2021:3811
RHSA-2021_3590
RLSA-2021:3590
USN-4604-1

Affected Products

Alt Linux
Almalinux
Centos
Linuxmint
Mysql Server
Red Hat
Rocky Linux
Ubuntu