5.9
CVSSv3

CVE-2021-2356

Published: 21/07/2021 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 4.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 5.9 | Impact Score: 4.2 | Exploitability Score: 1.6
VMScore: 436
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:P

Vulnerability Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows low 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 5.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H).

Vulnerability Trend

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fedoraproject fedora 34

Vendor Advisories

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) Supported versions that are affected are 5734 and prior and 8025 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 ...
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication) Supported versions that are affected are 5734 and prior and 8025 and prior Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server Successful attacks of this vulnerability ...