CVE-2021-23032

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

En versiones 16.x anteriores a 16.1.0, versiones 15.1.x anteriores a 15.1.3.1, versiones 14.1.x anteriores a 14.1.4.4, y todas las versiones de 13.1.x y 12.1.x, cuando un sistema BIG-IP DNS está configurado con una IP amplia y una configuración de pool no predeterminadas, las respuestas DNS no divulgadas pueden causar la terminación del Traffic Management Microkernel (TMM). Nota: Las versiones de software que han alcanzado End of Technical Support (EoTS) no son evaluadas

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-09-14 CVE Published
2024-05-30 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.f5.com/csp/article/K45407662	2021-09-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
F5 Search vendor "F5"		Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System"				>= 12.1.0 <= 12.1.6 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 12.1.0 <= 12.1.6"		-		Affected
F5 Search vendor "F5"		Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System"				>= 13.1.0 <= 13.1.4 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 13.1.0 <= 13.1.4"		-		Affected
F5 Search vendor "F5"		Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System"				>= 14.1.0 < 14.1.4.4 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 14.1.0 < 14.1.4.4"		-		Affected
F5 Search vendor "F5"		Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System"				>= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 15.1.0 < 15.1.3.1"		-		Affected
F5 Search vendor "F5"		Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System"				>= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 16.0.0 < 16.1.0"		-		Affected