CVE-2020-2804
libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Memcached)
CVE-2020-2804 is fixed in 27 products on 1 platform, first by RHSA-2020:3732, released September 14, 2020. 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
0.0339
88th percentile
Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Memcached). Supported versions that are affected are 5.6.47 andprior, 5.7.29 and prior and 8.0.19 and prior. Difficult to exploitvulnerability allows unauthenticated attacker with network access viamultiple protocols to compromise MySQL Server. Successful attacks of thisvulnerability can result in unauthorized ability to cause a hang orfrequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 BaseScore 5.9 (Availability impacts). CVSS Vector:(CVSS:3.0/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) | 5.7.30-0ubuntu0.18.04.1 | libmysqlclient20 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| libmysqlclient21 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | libmysqlclient21 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| libmysqlclient21 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | libmysqlclient21 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mecab · RHEL 8 | 0:0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2020:3732 | Sep 14, 2020 |
| mecab · ol 8 | 0:0.996-1.module+el8.0.0+5253+1dce7bb2.9 | ELSA-2020-3732 | Sep 16, 2020 |
| mecab-ipadic · RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2020:3732 | Sep 14, 2020 |
| mecab-ipadic · ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2020-3732 | Sep 16, 2020 |
| mecab-ipadic-EUCJP · RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2020:3732 | Sep 14, 2020 |
| mecab-ipadic-EUCJP · ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-client · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-client 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-client 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-client · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-client 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-client-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-client-5.7 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-client-8.0 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-client-8.0 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-client-8.0 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-client-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-client-core-5.7 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-client-core-8.0 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-client-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-client-core-8.0 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-common · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql-common · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-devel · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql-devel · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-errmsg · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql-errmsg · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-libs · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql-libs · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-router · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-router 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-router · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-router 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-server · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql-server · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-server 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-server 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-server · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-server 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-server · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-server-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-server-5.7 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-server-8.0 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-server-8.0 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-server-8.0 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-server-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-server-core-5.7 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-server-core-8.0 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-server-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-server-core-8.0 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-source-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-source-5.7 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-source-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-source-8.0 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-source-8.0 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-source-8.0 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-test · RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 | Sep 14, 2020 |
| mysql-test · ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | ELSA-2020-3732 | Sep 16, 2020 |
| mysql-testsuite · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-testsuite 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-testsuite 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-testsuite · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-testsuite 8.0.20-0ubuntu1 | Jan 16, 2026 |
| mysql-testsuite-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | mysql-testsuite-5.7 5.7.30-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.20-0ubuntu0.20.04.1 | mysql-testsuite-8.0 8.0.20-0ubuntu0.20.04.1 | Apr 22, 2021 |
| mysql-testsuite-8.0 · Ubuntu 24.10 (oracular) | 8.0.20-0ubuntu1 | mysql-testsuite-8.0 8.0.20-0ubuntu1 | Jan 16, 2026 |
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