PT-2020-4856

CVE-2020-14790

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Published

2020-10-20

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Updated

2022-03-29

Description by

CVSS 2.0
6.8
Medium
MetricsAV:N/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions: MySQL Server versions 5.7.31 and prior MySQL Server versions 8.0.21 and prior
Description: The issue is related to insufficient input validation in the MySQL Server product, allowing a high-privileged attacker with network access via multiple protocols to compromise the server. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of the MySQL Server.
Recommendations: For MySQL Server versions 5.7.31 and prior, update to a version later than 5.7.31 to resolve the issue. For MySQL Server versions 8.0.21 and prior, update to a version later than 8.0.21 to resolve the issue. As a temporary workaround, consider restricting network access to the MySQL Server to minimize the risk of exploitation.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
ALSA-2021:3590
ALT-PU-2020-3284
ALT-PU-2021-2380
ALT-PU-2021-3668
CESA-2021_3590
RHSA-2021:3590
RHSA-2021_3590
RHSA-2021:3811
RLSA-2021:3590
USN-4604-1
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