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HistoryApr 22, 2021 - 12:00 a.m.

CVE-2021-2166

2021-04-2200:00:00
ubuntu.com
ubuntu.com
9

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

52.9%

Vulnerability in the MySQL Server product of Oracle MySQL (component:
Server: DML). Supported versions that are affected are 5.7.33 and prior and
8.0.23 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 result in unauthorized
ability to cause a hang or frequently repeatable crash (complete DOS) of
MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
(CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Bugs

Notes

Author Note
leosilva since 5.5 is no longer upstream supported and so far we cannot patch it, marking it as ignored.
OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchmariadb-10.0< anyUNKNOWN
ubuntu18.04noarchmariadb-10.1< anyUNKNOWN
ubuntu20.04noarchmariadb-10.3< anyUNKNOWN
ubuntu16.04noarchmysql-5.7< 5.7.35-0ubuntu0.16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchmysql-5.7< 5.7.34-0ubuntu0.18.04.1UNKNOWN
ubuntu21.04noarchmysql-8.0< 8.0.25-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchmysql-8.0< 8.0.25-0ubuntu3UNKNOWN
ubuntu22.04noarchmysql-8.0< 8.0.25-0ubuntu3UNKNOWN
ubuntu22.10noarchmysql-8.0< 8.0.25-0ubuntu3UNKNOWN
ubuntu20.04noarchmysql-8.0< 8.0.25-0ubuntu0.20.04.1UNKNOWN
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4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

52.9%

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