5.9
CVSSv3

CVE-2021-2389

Published: 21/07/2021 Updated: 07/11/2023
CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2
VMScore: 632
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

This vulnerability allows remote malicious users to execute arbitrary code on affected installations of MySQL. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of Append and Prepend commands in the memcached plugin. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the service account.

Vulnerability Trend

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oracle mysql server

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mariadb mariadb

Vendor Advisories

Synopsis Moderate: mariadb:105 security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for the mariadb:105 module is now available for Red Hat Enterprise Linux 8Red Hat Produc ...
Synopsis Moderate: rh-mariadb105-mariadb security and bug fix update Type/Severity Security Advisory: Moderate Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for rh-mariadb105-mariadb and rh-mariadb105-galera is now available for Red Hat Software Collec ...
Synopsis Moderate: mariadb:103 security and bug fix update Type/Severity Security Advisory: Moderate Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for the mariadb:103 module is now available for Red Hat Enterprise Linux 84 Extended Update SupportRe ...
Synopsis Moderate: rh-mariadb103-mariadb security and bug fix update Type/Severity Security Advisory: Moderate Red Hat Insights patch analysis Identify and remediate systems affected by this advisory View affected systems Topic An update for rh-mariadb103-mariadb and rh-mariadb103-galera is now available for Red Hat Software Collec ...
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) Supported versions that are affected are 5734 and prior and 8025 and prior Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server Successful attacks of this vulnerability can result i ...
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) Supported versions that are affected are 5734 and prior and 8025 and prior Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server Successful attacks of this vulnerability can result i ...
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) Supported versions that are affected are 5734 and prior and 8025 and prior Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server Successful attacks of this vulnerability can result i ...
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) Supported versions that are affected are 5734 and prior and 8025 and prior Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server Successful attacks of this vulnerability can result i ...