#VU52750 Improper access control in BIG-IP - CVE-2021-23015
Published: April 29, 2021
Vulnerability identifier: #VU52750
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-23015
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP
BIG-IP
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. When running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. A remote privileged user can bypass implemented security restrictions and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.