CVE-2020-2921 — Vulnetix

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CVE-2020-2921 PUBLISHED

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affected are 8.0.19 and prior. Difficult to exploit 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 3.0 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

EPSS 0.26% · 49.0th percentile

Risk Scores

EPSS Score

0.26%

49.0th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	mysql-5.5	5.5.46-0ubuntu0.14.04.2, 5.5.32-0ubuntu7, 5.5.34-0ubuntu1
Ubuntu:16.04:LTS	percona-server-5.6	0, 5.6.22-rel71.0-0ubuntu2, 5.6.22-rel71.0-0ubuntu4
Ubuntu:20.04:LTS	mysql-8.0	8.0.19-0ubuntu5, 0, 8.0.17-0ubuntu2
Ubuntu:16.04:LTS	percona-xtradb-cluster-5.6	5.6.21-25.8-0ubuntu2, 5.6.21-25.8-0ubuntu3, 5.6.21-25.8-0ubuntu3.1

Timeline

Apr 14, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2020-2921 third-party-advisory
https://www.oracle.com/security-alerts/cpuapr2020.html#AppendixMSQL third-party-advisory
https://ubuntu.com/security/notices/USN-4350-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2020-2921 third-party-advisory

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