CVE-2021-2022: Medium severity ibm infosphere guardium z/os vulnerability
An unspecified vulnerability in MySQL Server related to the InnoDB component could allow an authenticated attacker to cause a denial of service resulting in a high availability impact using unknown attack vectors.
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
External References:
https://www.oracle.com/security-alerts/cpujan2021.html#AppendixMSQL
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2022?
CVE-2021-2022 has a reported high severity level due to its potential to cause denial of service.
How do I fix CVE-2021-2022?
To fix CVE-2021-2022, upgrade MySQL Server to versions 5.6.51, 5.7.33, 8.0.23, or appropriate MariaDB versions up to their specified limits.
What components are affected by CVE-2021-2022?
CVE-2021-2022 affects the InnoDB component of MySQL Server and related products including certain versions of MariaDB.
Can CVE-2021-2022 be exploited remotely?
CVE-2021-2022 requires authenticated access, thus it cannot be exploited remotely without valid credentials.
What should I do if I can't upgrade MySQL due to compatibility issues related to CVE-2021-2022?
If you cannot upgrade, ensure to evaluate your environment for exposure and consider applying additional security measures to mitigate risks associated with CVE-2021-2022.