7.1
CVSSv2

CVE-2021-2390

Published: 21/07/2021 Updated: 26/07/2021
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 Authentication 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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Vendor Advisories

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 ...