CVE-2021-2011

Description

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).

How to fix CVE-2021-2011

To remediate CVE-2021-2011, upgrade the affected package to a fixed version below.

• —upgrade to 5.5.61 or later
• —upgrade to 5.5.61 or later
• —upgrade to 5.5.61 or later

Is CVE-2021-2011 being exploited?

Low — EPSS is 2.1%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• >= 5.5.0, < 5.5.61, >= 10.0.0, < 10.0.35, >= 10.1.0, < 10.1.33, >= 10.2.0, < 10.2.15
• >= 5.5.0, < 5.5.61, >= 10.0.0, < 10.0.35, >= 10.1.0, < 10.1.33, >= 10.2.0, < 10.2.15
• >= 5.5.0, < 5.5.61, >= 10.0.0, < 10.0.35, >= 10.1.0, < 10.1.33, >= 10.2.0, < 10.2.15

CVSS scores

References (6)

• WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K/
• WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC/
• WEBnvd.nist.gov/vuln/detail/CVE-2021-2011
• WEB