CVE-2020-2660
MEDIUMMySQL Server <= 5.7.28 and <= 8.0.18 - Authenticated Denial of Service in Optimizer
Title source: llmDescription
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.7.28 and prior and 8.0.18 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 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
References (4)
Core 4
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200122-0002/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4250-1/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202105-27
Scores
CVSS v3
4.9
EPSS
0.0039
EPSS Percentile
60.4%
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 (8)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.10
netapp/active_iq_unified_manager
(2 CPE variants)
netapp/oncommand_insight
netapp/oncommand_workflow_automation
netapp/snapcenter
oracle/mysql
5.7.0 - 5.7.28
Published
Jan 15, 2020
Tracked Since
Feb 18, 2026