CVE-2021-2011
mysql-server: Vulnerability in the MySQL Client product of Oracle MySQL (component: CAPI)
CVE-2021-2011 is fixed in 27 products on 1 platform, first by libmysqlclient20 5.7.33-0ubuntu0.18.04.1, released April 22, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.9
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0309
87th percentile
Vulnerability in the MySQL Client product of Oracle MySQL (component: CAPI). Supported versions that are affected are 5.7.32 and prior and 8.0.22and prior. Difficult to exploit vulnerability allows unauthenticatedattacker with network access via multiple protocols to compromise MySQLClient. Successful attacks of this vulnerability can result in unauthorizedability to cause a hang or frequently repeatable crash (complete DOS) ofMySQL Client. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector:(CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libmysqlclient20 · Ubuntu 18.04.6 LTS (bionic) | 5.7.33-0ubuntu0.18.04.1 | libmysqlclient20 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| libmysqlclient21 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | libmysqlclient21 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| libmysqlclient21 · Ubuntu 24.10 (oracular) | 8.0.23-1 | libmysqlclient21 8.0.23-1 | 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) | 5.7.33-0ubuntu0.18.04.1 | mysql-client 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-client 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-client · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-client 8.0.23-1 | Jan 16, 2026 |
| mysql-client-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.33-0ubuntu0.18.04.1 | mysql-client-5.7 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-client-8.0 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-client-8.0 · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-client-8.0 8.0.23-1 | Jan 16, 2026 |
| mysql-client-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.33-0ubuntu0.18.04.1 | mysql-client-core-5.7 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-client-core-8.0 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-client-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-client-core-8.0 8.0.23-1 | 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) | 8.0.23-0ubuntu0.20.04.1 | mysql-router 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-router · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-router 8.0.23-1 | 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) | 5.7.33-0ubuntu0.18.04.1 | mysql-server 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-server 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-server · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-server 8.0.23-1 | 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) | 5.7.33-0ubuntu0.18.04.1 | mysql-server-5.7 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-server-8.0 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-server-8.0 · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-server-8.0 8.0.23-1 | Jan 16, 2026 |
| mysql-server-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.33-0ubuntu0.18.04.1 | mysql-server-core-5.7 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-server-core-8.0 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-server-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-server-core-8.0 8.0.23-1 | Jan 16, 2026 |
| mysql-source-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.33-0ubuntu0.18.04.1 | mysql-source-5.7 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-source-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-source-8.0 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-source-8.0 · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-source-8.0 8.0.23-1 | 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) | 5.7.33-0ubuntu0.18.04.1 | mysql-testsuite 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-testsuite 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-testsuite · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-testsuite 8.0.23-1 | Jan 16, 2026 |
| mysql-testsuite-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.33-0ubuntu0.18.04.1 | mysql-testsuite-5.7 5.7.33-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.23-0ubuntu0.20.04.1 | mysql-testsuite-8.0 8.0.23-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-testsuite-8.0 · Ubuntu 24.10 (oracular) | 8.0.23-1 | mysql-testsuite-8.0 8.0.23-1 | Jan 16, 2026 |