CVE-2021-23008

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

On version 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and all versions of 16.0.x and 11.6.x., BIG-IP APM AD (Active Directory) authentication can be bypassed via a spoofed AS-REP (Kerberos Authentication Service Response) response sent over a hijacked KDC (Kerberos Key Distribution Center) connection or from an AD server compromised by an attacker. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

En la versión 15.1.x anteriores a 15.1.3, versiones 14.1.x anteriores a 14.1.4, versiones 13.1.x anteriores a 13.1.4, versiones 12.1.x anteriores a 12.1.6 y todas las versiones de 16.0.xy 11.6.x., BIG-IP APM AD (Active Directory) una autenticación puede ser omitida por medio de una respuesta AS-REP (Kerberos Authentication Service Response) falsificada enviada por medio de una conexión KDC (Kerberos Key Distribution Center) secuestrada o desde un servidor AD comprometido por un atacante. Nota: Las versiones de Software que hayan 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

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-05-10 CVE Published
2024-02-07 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.f5.com/csp/article/K51213246	2021-05-19

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 Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 11.5.2 < 11.6.5 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 11.5.2 < 11.6.5"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 12.1.0 < 12.1.5 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 12.1.0 < 12.1.5"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 13.1.0 < 13.1.3 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 13.1.0 < 13.1.3"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 14.1.0 < 14.1.3 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 14.1.0 < 14.1.3"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 15.0.0 < 15.1.2 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 15.0.0 < 15.1.2"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 16.0.0 < 16.0.1 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 16.0.0 < 16.0.1"		-		Affected