PT-2021-1894 · Oracle+6 · Mysql Server+5
Published
2019-12-08
·
Updated
2022-01-04
·
CVE-2021-2001
CVSS v2.0
6.8
Medium
| Vector | AV:N/AC:L/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
MySQL Server versions 5.6.50 and prior
MySQL Server versions 5.7.30 and prior
MySQL Server versions 8.0.17 and prior
Description
The issue is related to insufficient access control in the MySQL Server product, specifically in the Server: Optimizer component. It allows a high-privileged attacker with network access via multiple protocols to compromise the MySQL Server. Successful attacks can result in the unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of the MySQL Server.
Recommendations
For MySQL Server versions 5.6.50 and prior, update to a version later than 5.6.50 to resolve the issue.
For MySQL Server versions 5.7.30 and prior, update to a version later than 5.7.30 to resolve the issue.
For MySQL Server versions 8.0.17 and prior, update to a version later than 8.0.17 to resolve the issue.
As a temporary workaround, consider restricting network access to the MySQL Server to minimize the risk of exploitation.
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Mysql Server
Red Hat
Rocky Linux