CVE-2021-2056: Medium severity ibm infosphere guardium z/os vulnerability
An unspecified vulnerability in Oracle MySQL Server related to the Server:DML 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: Server: DML). Supported versions that are affected are 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: Server: DML). Supported versions that are affected are 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-2021-2056?
The severity of CVE-2021-2056 is considered high due to its potential to cause denial of service.
How do I fix CVE-2021-2056?
To fix CVE-2021-2056, upgrade your Oracle MySQL Server to version 8.0.23 or later.
What products are affected by CVE-2021-2056?
CVE-2021-2056 affects several versions of Oracle MySQL Server and IBM InfoSphere Guardium products.
Can CVE-2021-2056 be exploited remotely?
CVE-2021-2056 requires authenticated access to exploit, limiting its risk to already authenticated users.
What are the potential impacts of CVE-2021-2056?
CVE-2021-2056 can lead to a denial of service, impacting the availability of affected MySQL Server instances.