VDB
CVE-2021-2471
CVE-2021-2471
PUBLISHED
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).
EPSS 7.32% · 93.8th percentile
Risk Scores
EPSS Score
7.32%
93.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | percona-xtradb-cluster-5.6 | 5.6.21-25.8-0ubuntu2, *, 5.6.34-26.19-0ubuntu0.16.04.1 |
| Ubuntu:16.04:LTS | percona-server-5.6 | 0, 5.6.22-rel71.0-0ubuntu2, 5.6.22-rel71.0-0ubuntu4.1 |
| Ubuntu:14.04:LTS | mysql-5.5 | *, 5.5.35-0ubuntu1, 5.5.37-0ubuntu0.14.04.1 |
| Ubuntu:22.04:LTS | mysql-8.0 | 8.0.26-0ubuntu1, 0 |
| Ubuntu:20.04:LTS | mysql-8.0 | 8.0.25-0ubuntu0.20.04.1, 8.0.26-0ubuntu0.20.04.2, 8.0.26-0ubuntu0.20.04.3 |
Timeline
- Oct 20, 2021 CVE Published
- Oct 21, 2021 EPSS Score
- Dec 16, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 8, 2022 EPSS Score
- Jun 3, 2022 EPSS Score
- Sep 25, 2022 EPSS Score
- Jan 15, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- May 8, 2023 EPSS Score
- Jul 3, 2023 EPSS Score
- Oct 24, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-2471 third-party-advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html third-party-advisory
- https://ubuntu.com/security/notices/USN-5123-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-2471 third-party-advisory