CVE-2021-23032

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

14/09/2021

Last modified:

27/09/2021

Description

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	12.1.0 (including)	12.1.6 (including)
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	13.1.0 (including)	13.1.4 (including)
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	14.1.0 (including)	14.1.4.4 (excluding)
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	15.1.0 (including)	15.1.3.1 (excluding)
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	16.0.0 (including)	16.1.0 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://support.f5.com/csp/article/K45407662