F5 Networks BIG-IP : TMUI RCE (CVE-2020-5902) (Direct Check)

critical Nessus Plugin ID 138140


BIG-IP Traffic Management User Interface Remote Code Execution.


A remote code execution vulnerability exists in Traffic Management User Interface (TMUI), also referred to as the Configuration utility. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary system commands, create or delete files, disable services, and/or execute arbitrary Java code.

Note: An initial mitigation for this vulnerability was released by the vendor, which can be bypassed.
This plugin also tests for the bypass of that initial mitigation.


Upgrade to a version recommended in the vendor advisory.

See Also


Plugin Details

Severity: Critical

ID: 138140

File Name: f5_cve-2020-5902.nasl

Version: 1.14

Type: remote

Family: CGI abuses

Published: 7/6/2020

Updated: 1/18/2023

Risk Information


Risk Factor: Critical

Score: 9.2


Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-5902


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_analytics, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_domain_name_system, cpe:/a:f5:big-ip_fraud_protection_service, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_policy_enforcement_manager

Required KB Items: installed_sw/F5 BIG-IP web management

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Patch Publication Date: 7/1/2020

Vulnerability Publication Date: 7/1/2020

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Exploitable With

Core Impact

Metasploit (F5 BIG-IP TMUI Directory Traversal and File Upload RCE)

Elliot (F5 BIG-IP Traffic Management User Interface File Disclosure)

Reference Information

CVE: CVE-2020-5902


IAVA: 2020-A-0283-S