Permissions, Privileges, and Access Controls in BIG-IP APM and APM Clients - CVE-2020-5896

 

Permissions, Privileges, and Access Controls in BIG-IP APM and APM Clients - CVE-2020-5896

Published: May 13, 2020


Vulnerability identifier: #VU27873
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-5896
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP APM
APM Clients

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the BIG-IP Edge Client Windows Installer Service's temporary folder has weak file and folder permissions. A local user can execute signed .exe and MSI files and gain elevated privileges on the client Windows system.


How to mitigate CVE-2020-5896

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources