PT-2021-1733 · Oracle+6 · Mysql Server+5

Published 2020-04-28 · Updated 2022-01-04 · CVE-2021-2016

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV: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 8.0.19 and prior

Description: The issue is related to insufficient access control in the Server: Optimizer component of MySQL Server, allowing a high-privileged attacker with network access via multiple protocols to compromise the server. Successful attacks can result in the ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.

Recommendations: For versions 8.0.19 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.

Weakness Enumeration

CWE-264

Related Identifiers

ALSA-2020:3732

ALT-PU-2020-1885

ALT-PU-2020-1904

BDU:2021-00425

CESA-2020_3732

CVE-2021-2016

OESA-2021-1088

RHSA-2020:3518

RHSA-2020:3732

RHSA-2020:3755

RHSA-2020:3757

RHSA-2020_3732

RLSA-2020:3732

Affected Products

Alt Linux

Almalinux

Centos

Mysql Server

Red Hat

Rocky Linux

References · 247

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K · Vendor Advisory
• https://oracle.com/security-alerts/cpujan2021.html · Vendor Advisory
• https://security.gentoo.org/glsa/202105-27 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-2991 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1998 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-3011 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-2963 · Security Note
• https://osv.dev/vulnerability/OESA-2021-1088 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2016 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-2016 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2019 · Security Note
• https://errata.almalinux.org/8/ALSA-2020-3732.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-3009 · Security Note
• https://osv.dev/vulnerability/RLSA-2020:3732 · Vendor Advisory