CVE-2020-14830 — Vulnetix

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CVE-2020-14830 PUBLISHED

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.21 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).

EPSS 0.65% · 70.7th percentile

Risk Scores

EPSS Score

0.65%

70.7th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	percona-xtradb-cluster-5.6	0, 5.6.37-26.21-0ubuntu0.16.04.2, 5.6.37-26.21-0ubuntu0.16.04.1
Ubuntu:20.04:LTS	mysql-8.0	8.0.18-0ubuntu4, 8.0.18-0ubuntu3, 8.0.17-0ubuntu3
Ubuntu:16.04:LTS	percona-server-5.6	0, 5.6.22-rel71.0-0ubuntu2, 5.6.22-rel71.0-0ubuntu4
Ubuntu:14.04:LTS	mysql-5.5	0, 5.5.34-0ubuntu2, 5.5.34-0ubuntu1

Timeline

Oct 20, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2020-14830 third-party-advisory
https://www.oracle.com/security-alerts/cpuoct2020.html third-party-advisory
https://ubuntu.com/security/notices/USN-4604-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2020-14830 third-party-advisory

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