Input validation error in F5 Networks products - CVE-2020-27727

Vulnerability identifier: #VU49080

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-27727

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input, when an authenticated administrative user installs RPMs using the iAppsLX REST installer. A remote user can read arbitrary files on the system.

BIG-IP AAM
BIG-IP Link Controller
BIG-IP DNS
BIG-IP Analytics
BIG-IP AFM
BIG-IP LTM
BIG-IP APM
BIG-IP PEM
BIG-IP GTM
BIG-IP ASM
BIG-IP FPS
BIG-IP

Install updates from vendor's website.

BIG-IP AAM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP Analytics - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP Link Controller - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP AFM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP LTM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP APM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP PEM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP GTM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP ASM - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP FPS - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP DNS - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1
BIG-IP - addressed in versions 13.1.3.5, 14.1.3.1, 15.1.1, 16.0.1.1

• https://support.f5.com/csp/article/K50343630

• Information disclosure in F5 BIG-IP iAppsLX