CVE-2021-2471

Description

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).

5.9

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 57.17% Top 5%

Vendor Advisory oracle.com Vendor Advisory oracle.com

Affected: Oracle Corporation MySQL Connectors

References

Link	Tags
https://www.oracle.com/security-alerts/cpuoct2021.html	vendor advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-2471?: CVE-2021-2471 has been scored as a medium severity vulnerability.
How to fix CVE-2021-2471?: To fix CVE-2021-2471, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-2471 being actively exploited in the wild?: It is possible that CVE-2021-2471 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~57% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-2471?: CVE-2021-2471 affects Oracle Corporation MySQL Connectors.

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