CVE-2021-35612

MEDIUM

MySQL Server < 8.0.26 - Authenticated Denial of Service and Data Manipulation via Optimizer

Title source: llm

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).

References (2)

Core 2

Core References

Patch, Vendor Advisory x_refsource_misc

https://www.oracle.com/security-alerts/cpuoct2021.html

Third Party Advisory x_refsource_confirm

https://security.netapp.com/advisory/ntap-20211022-0003/

Scores

CVSS v3 5.5

EPSS 0.0038

EPSS Percentile 59.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (3)

netapp/oncommand_insight

netapp/snapcenter

oracle/mysql 8.0.0 - 8.0.26

Published Oct 20, 2021

Tracked Since Feb 18, 2026