# CVE-2020-14853: libmysqlclient21: Vulnerability in the MySQL Cluster product of Oracle MySQL (component:Cluster: NDBCluster Plugin)

CVE-2020-14853 is fixed in 11 products on 1 platform, first by libmysqlclient21 8.0.22-0ubuntu0.20.04.2, released July 21, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-14853
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0095
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 21, 2020

## Description

Vulnerability in the MySQL Cluster product of Oracle MySQL (component:Cluster: NDBCluster Plugin). Supported versions that are affected are8.0.21 and prior. Easily exploitable vulnerability allows low privilegedattacker with network access via multiple protocols to compromise MySQLCluster. Successful attacks require human interaction from a person otherthan the attacker. Successful attacks of this vulnerability can result inunauthorized update, insert or delete access to some of MySQL Clusteraccessible data and unauthorized ability to cause a partial denial ofservice (partial DOS) of MySQL Cluster. CVSS 3.1 Base Score 4.6 (Integrityand Availability impacts). CVSS Vector:(CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient21 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [libmysqlclient21 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libmysqlclient21-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | libmysqlclient21 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [libmysqlclient21 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libmysqlclient21-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-client Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-client 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-client Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-client 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-client-8.0 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-client-8.0 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-client-8.0 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-client-8.0 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-8.0-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-client-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-client-core-8.0 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-core-8.0-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-client-core-8.0 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-client-core-8.0 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-core-8.0-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-router Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-router 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-router-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-router Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-router 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-router-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-server Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-server 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-server Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-server 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-server-8.0 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-server-8.0 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-server-8.0 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-server-8.0 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-8.0-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-server-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-server-core-8.0 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-core-8.0-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-server-core-8.0 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-server-core-8.0 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-core-8.0-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-source-8.0 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-source-8.0 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-source-8.0-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-source-8.0 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-source-8.0 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-source-8.0-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-testsuite Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-testsuite 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-testsuite Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-testsuite 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-testsuite-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |
| Linux | mysql-testsuite-8.0 Ubuntu 20.04 LTS (focal) | 8.0.22-0ubuntu0.20.04.2 | [mysql-testsuite-8.0 8.0.22-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0-8.0.22-0ubuntu0.20.04.2.md) | Jul 21, 2021 |
| Linux | mysql-testsuite-8.0 Ubuntu 24.10 (oracular) | 8.0.22-0ubuntu0.20.10.2 | [mysql-testsuite-8.0 8.0.22-0ubuntu0.20.10.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-testsuite-8.0-8.0.22-0ubuntu0.20.10.2.md) | Jan 16, 2026 |

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