SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-14656

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Locking).

MEDIUM 4.9EPSS 1.93%

Does this matter?

Lower severity and a low EPSS score (1.93%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
4.9 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS
1.93% probability · 80th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
netapp/active iq unified manager · netapp/oncommand insight · netapp/oncommand workflow automation · netapp/snapcenter · canonical/ubuntu linux · oracle/mysql
Source
secalert_us@oracle.com
EPSS trend
0%3%5%26 October 2026: 1.93%26 October 202626 October 2026

EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.