QID 376611

Date Published: 2022-05-19

QID 376611: F5 BIG-IP Access Policy Manager (APM) Cross-Site Scripting (XSS) Vulnerability (K21317311)

F5 BIG-IP Access Policy Manager (APM) is a secure, flexible, high-performance solution that provides unified global access to your network, cloud, and applications.

An attacker may exploit this vulnerability by causing an authenticated user granted the Administrator role to send a crafted URL that is then reflected back and executed by the user's web browser. If successful, an attacker can run JavaScript in the context of the currently logged-in user. In the case of an administrative user with access to the Advanced Shell (bash), an attacker can leverage successful exploitation of this vulnerability to compromise the BIG-IP system. This is a control plane issue; there is no data plane exposure.

Vulnerable Component:
BIG-IP APM

Affected Versions:
16.1.0 - 16.1.2
15.1.0 - 15.1.5
14.1.0 - 14.1.4
13.1.0.8 - 13.1.5

QID Detection Logic(Authenticated):
This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

An attacker may exploit this vulnerability by causing an authenticated user granted the Administrator role to send a crafted URL that is then reflected back and executed by the user's web browser. If successful, an attacker can run JavaScript in the context of the currently logged-in user. In the case of an administrative user with access to the Advanced Shell (bash), an attacker can leverage successful exploitation of this vulnerability to compromise the BIG-IP system. This is a control plane issue; there is no data plane exposure.

  • CVSS V3 rated as High - 6.1 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
  • Solution
    For more information about patch details please refer to: K21317311
    Vendor References

    CVEs related to QID 376611

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