CVE-2021-23050

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 BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

En BIG-IP Advanced WAF y BIG-IP ASM versiones 16.0.x anteriores a 16.0.1.2 y versiones 15.1.x anteriores a 15.1.3 y NGINX App Protect en todas las versiones anteriores a 3.5.0, cuando es configurado una política de tipo cross-site request forgery (CSRF) en un servidor virtual, una respuesta HTML no divulgada puede causar una finalización del proceso 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

Low

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-352: Cross-Site Request Forgery (CSRF)

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.f5.com/csp/article/K44553214	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 Advanced Web Application Firewall Search vendor "F5" for product "Big-ip Advanced Web Application Firewall"				>= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Advanced Web Application Firewall" and version " >= 15.1.0 < 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"				>= 16.0.0 < 16.0.1.2 Search vendor "F5" for product "Big-ip Advanced Web Application Firewall" and version " >= 16.0.0 < 16.0.1.2"		-		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"				>= 16.0.0 < 16.0.1.2 Search vendor "F5" for product "Big-ip Application Security Manager" and version " >= 16.0.0 < 16.0.1.2"		-		Affected
F5 Search vendor "F5"		Nginx App Protect Search vendor "F5" for product "Nginx App Protect"				>= 1.0.0 <= 1.3.0 Search vendor "F5" for product "Nginx App Protect" and version " >= 1.0.0 <= 1.3.0"		-		Affected
F5 Search vendor "F5"		Nginx App Protect Search vendor "F5" for product "Nginx App Protect"				>= 2.0.0 <= 2.3.0 Search vendor "F5" for product "Nginx App Protect" and version " >= 2.0.0 <= 2.3.0"		-		Affected
F5 Search vendor "F5"		Nginx App Protect Search vendor "F5" for product "Nginx App Protect"				>= 3.0.0 < 3.5.0 Search vendor "F5" for product "Nginx App Protect" and version " >= 3.0.0 < 3.5.0"		-		Affected