Improper access control in BIG-IP APM - CVE-2021-23016

 

Improper access control in BIG-IP APM - CVE-2021-23016

Published: April 29, 2021


Vulnerability identifier: #VU52751
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-23016
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP APM

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions, retrieve static content hosted on the BIG-IP that is otherwise not accessible and effectively fingerprint a device.


How to mitigate CVE-2021-23016

Install updates from vendor's website.

Sources