CVE-2021-2011: High severity ibm infosphere guardium z/os vulnerability
An unspecified vulnerability in Oracle MySQL Client related to the C API component could allow an unauthenticated attacker to cause a denial of service resulting in a high availability impact using unknown attack vectors.
Other sources
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client.
External References:
https://www.oracle.com/security-alerts/cpujan2021.html#AppendixMSQL
— Red Hat
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2011?
CVE-2021-2011 has a high severity rating due to its potential to cause denial of service.
How do I fix CVE-2021-2011?
To mitigate CVE-2021-2011, upgrade to MySQL 5.7.33 or higher, MySQL 8.0.23 or higher, or relevant patched versions of MariaDB.
Which software is affected by CVE-2021-2011?
CVE-2021-2011 affects Oracle MySQL Client C API and certain versions of MariaDB and IBM Security Guardium.
Can CVE-2021-2011 be exploited remotely?
Yes, CVE-2021-2011 could potentially be exploited by unauthenticated remote attackers.
What impact does CVE-2021-2011 have on availability?
CVE-2021-2011 could result in a denial of service, significantly impacting the availability of affected systems.