CVE-2020-14547

MEDIUM

MySQL Server <= 5.7.30 and <= 8.0.20 - Authenticated Denial of Service in Optimizer

Title source: llm
STIX 2.1

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.7.30 and prior and 8.0.20 and prior. Easily exploitable 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 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References (7)

Core 7
Core References
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200717-0004/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4441-1/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202105-27

Scores

CVSS v3 4.9
EPSS 0.0030
EPSS Percentile 53.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (11)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 20.04
fedoraproject/fedora 31
fedoraproject/fedora 32
fedoraproject/fedora 33
netapp/active_iq_unified_manager (2 CPE variants)
netapp/oncommand_insight
netapp/oncommand_workflow_automation
netapp/snapcenter
... and 1 more
Published Jul 15, 2020
Tracked Since Feb 18, 2026