CVE-2021-23028

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 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4, when JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

En versiones 16.0.x anteriores a 16.0.1.2, versiones 15.1.x anteriores a 15.1.3.1, versiones 14.1.x anteriores a 14.1.4.2 y versiones 13.1.x anteriores a 13.1.4, cuando los perfiles de contenido JSON están configurados para las URL como parte de una política de seguridad de F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM y se aplican a un servidor virtual, las peticiones no divulgadas pueden causar la terminación del proceso de BIG-IP ASM bd. 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/K00602225	2021-09-24

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 Advanced Web Application Firewall Search vendor "F5" for product "Big-ip Advanced Web Application Firewall"				>= 13.1.3.5 <= 13.1.3.6 Search vendor "F5" for product "Big-ip Advanced Web Application Firewall" and version " >= 13.1.3.5 <= 13.1.3.6"		-		Affected
F5 Search vendor "F5"		Big-ip Advanced Web Application Firewall Search vendor "F5" for product "Big-ip Advanced Web Application Firewall"				>= 14.1.3.1 <= 14.1.4.1 Search vendor "F5" for product "Big-ip Advanced Web Application Firewall" and version " >= 14.1.3.1 <= 14.1.4.1"		-		Affected
F5 Search vendor "F5"		Big-ip Advanced Web Application Firewall Search vendor "F5" for product "Big-ip Advanced Web Application Firewall"				>= 15.1.1 < 15.1.3.1 Search vendor "F5" for product "Big-ip Advanced Web Application Firewall" and version " >= 15.1.1 < 15.1.3.1"		-		Affected
F5 Search vendor "F5"		Big-ip Advanced Web Application Firewall Search vendor "F5" for product "Big-ip Advanced Web Application Firewall"				16.0.1 Search vendor "F5" for product "Big-ip Advanced Web Application Firewall" and version "16.0.1"		-		Affected
F5 Search vendor "F5"		Big-ip Application Security Manager Search vendor "F5" for product "Big-ip Application Security Manager"				>= 13.1..3.5 <= 13.1.3.6 Search vendor "F5" for product "Big-ip Application Security Manager" and version " >= 13.1..3.5 <= 13.1.3.6"		-		Affected
F5 Search vendor "F5"		Big-ip Application Security Manager Search vendor "F5" for product "Big-ip Application Security Manager"				>= 14.1.3.1 <= 14.1.4.1 Search vendor "F5" for product "Big-ip Application Security Manager" and version " >= 14.1.3.1 <= 14.1.4.1"		-		Affected
F5 Search vendor "F5"		Big-ip Application Security Manager Search vendor "F5" for product "Big-ip Application Security Manager"				>= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Application Security Manager" and version " >= 15.1.0 < 15.1.3.1"		-		Affected
F5 Search vendor "F5"		Big-ip Application Security Manager Search vendor "F5" for product "Big-ip Application Security Manager"				16.0.1 Search vendor "F5" for product "Big-ip Application Security Manager" and version "16.0.1"		-		Affected