CVE-2021-2307
libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Packaging)
CVE-2021-2307 is fixed in 27 products on 1 platform, first by libmysqlclient20 5.7.34-0ubuntu0.18.04.1, released April 22, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
6.1
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0101
63rd percentile
Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Packaging). Supported versions that are affected are 5.7.33 andprior and 8.0.23 and prior. Easily exploitable vulnerability allowsunauthenticated attacker with logon to the infrastructure where MySQLServer executes to compromise MySQL Server. Successful attacks requirehuman interaction from a person other than the attacker. Successful attacksof this vulnerability can result in unauthorized access to critical data orcomplete access to all MySQL Server accessible data as well as unauthorizedupdate, insert or delete access to some of MySQL Server accessible data.CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSSVector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libmysqlclient20 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | libmysqlclient20 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| libmysqlclient21 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | libmysqlclient21 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| libmysqlclient21 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | libmysqlclient21 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mecab · RHEL 8 | 0:0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2021:3590 | Sep 21, 2021 |
| mecab · ol 8 | 0:0.996-1.module+el8.0.0+5253+1dce7bb2.9 | ELSA-2021-3590 | Sep 23, 2021 |
| mecab-ipadic · RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2021:3590 | Sep 21, 2021 |
| mecab-ipadic · ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2021-3590 | Sep 23, 2021 |
| mecab-ipadic-EUCJP · RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2021:3590 | Sep 21, 2021 |
| mecab-ipadic-EUCJP · ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-client · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-client 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-client 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-client · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-client 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-client-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-client-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-client-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-client-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-client-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-client-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-client-core-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-client-core-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-client-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-client-core-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-common · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-common · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-devel · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-devel · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-errmsg · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-errmsg · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-libs · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-libs · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-router · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-router 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-router · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-router 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-server · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-server · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-server 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-server 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-server · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-server 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-server · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-server-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-server-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-server-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-server-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-server-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-server-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-server-core-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-server-core-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-server-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-server-core-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-source-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-source-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-source-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-source-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-source-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-source-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-test · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-test · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-testsuite · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-testsuite 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-testsuite 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-testsuite · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-testsuite 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-testsuite-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-testsuite-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-testsuite-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-testsuite-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-testsuite-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
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