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CVE-2021-2020 PUBLISHED

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.20 and prior. Easily exploitable 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

EPSS 1.77% · 82.5th percentile

Risk Scores

EPSS Score
1.77%
82.5th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSpercona-server-5.60, 5.6.22-rel71.0-0ubuntu2, 5.6.22-rel71.0-0ubuntu4
Ubuntu:14.04:LTSmysql-5.55.5.35-0ubuntu1, 5.5.35+dfsg-1ubuntu1, 5.5.37-0ubuntu0.14.04.1
Ubuntu:20.04:LTSmysql-8.08.0.20-0ubuntu0.20.04.1, 8.0.17-0ubuntu2, 8.0.17-0ubuntu3
Ubuntu:16.04:LTSpercona-xtradb-cluster-5.65.6.21-25.8-0ubuntu2, 5.6.21-25.8-0ubuntu3, 5.6.21-25.8-0ubuntu3.1

Timeline

References

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