CVE-2023-46747

CRITICAL KEV RANSOMWARE NUCLEI

F5 BIG-IP 13.1.0-13.1.4 - Unauthenticated Remote Command Execution via Configuration Utility Bypass

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-46747 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added October 31, 2023, with confirmed use in ransomware campaigns. EIP tracks 13 public exploits from researchers including W01fh4cker, nvansluis, Razzlemouse, including a Metasploit module exploits/linux/http/f5_bigip_tmui_rce_cve_2023_46747. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2023-46747, a remote code execution vulnerability in F5 BIG-IP TMUI. The exploit creates an unauthorized user, resets the password, obtains an authentication token, and executes arbitrary commands via the `/mgmt/tm/util/bash` endpoint.

Description

Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Exploits (13)

nomisec WORKING POC 206 stars
by W01fh4cker · remote
https://github.com/W01fh4cker/CVE-2023-46747-RCE

This repository contains a functional exploit for CVE-2023-46747, a remote code execution vulnerability in F5 BIG-IP TMUI. The exploit creates an unauthorized user, resets the password, obtains an authentication token, and executes arbitrary commands via the `/mgmt/tm/util/bash` endpoint.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP TMUI
No auth needed
Prerequisites: Network access to the target F5 BIG-IP TMUI interface
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC 7 stars
by nvansluis · remote
https://github.com/nvansluis/test_cve-2023-46747

This Python script exploits CVE-2023-46747 in F5 BIG-IP by sending a crafted HTTP request to create an administrator account. It then verifies the vulnerability by attempting to log in with the newly created credentials.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP
No auth needed
Prerequisites: Network access to the target F5 BIG-IP device · Target device must be vulnerable to CVE-2023-46747
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC 4 stars
by Razzlemouse · poc
https://github.com/Razzlemouse/F5-BIG-IP-SmuggleShell-CVE-2023-46747-Exploit

This repository contains a functional exploit for CVE-2023-46747, targeting F5 BIG-IP devices via unauthenticated RCE through AJP + HTTP request smuggling. The exploit automates admin user creation and delivers a reverse shell.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP
No auth needed
Prerequisites: Network access to the target F5 BIG-IP device · Listener set up for reverse shell
devstral-2 · analyzed Feb 19, 2026 Full analysis →
nomisec WORKING POC 3 stars
by RevoltSecurities · remote
https://github.com/RevoltSecurities/CVE-2023-46747

The repository contains a functional exploit script for CVE-2023-46747, targeting F5 BIG-IP products for pre-authentication remote code execution. The script includes authentication bypass and command execution capabilities, with configurable options for proxies, timeouts, and verbose output.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP
No auth needed
Prerequisites: Network access to the target F5 BIG-IP device · Python environment with required dependencies
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC 2 stars
by vidura2 · remote
https://github.com/vidura2/cve-2023-46747

This repository contains a functional Python exploit for CVE-2023-46747, an unauthenticated remote code execution vulnerability in F5 BIG-IP TMUI. The exploit automates user creation, token retrieval, and command execution via crafted HTTP requests.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP TMUI
No auth needed
Prerequisites: Network access to vulnerable F5 BIG-IP TMUI interface
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WRITEUP 2 stars
by maniak-academy · poc
https://github.com/maniak-academy/Mitigate-CVE-2023-46747

This repository provides an Ansible playbook and mitigation script to address CVE-2023-46747, an unauthenticated remote code execution vulnerability in BIG-IP Configuration utility. The mitigation script modifies configuration files to enforce AJP secret authentication and restarts affected services.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP Configuration utility
No auth needed
Prerequisites: Access to BIG-IP system · Ansible environment
devstral-2 · analyzed Feb 18, 2026 Full analysis →
github WORKING POC
by dyeat · pythonpoc
https://github.com/dyeat/cve-reproduction/tree/main/F5/BIG-IP/CVE-2023-46747

This repository contains a functional exploit for CVE-2023-46747, which allows unauthenticated attackers to create a privileged user account on F5 BIG-IP devices, leading to remote code execution (RCE). The exploit leverages a vulnerability in the authentication mechanism by sending a crafted HTTP request with chunked encoding to bypass authentication and create a new admin user.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP (versions 17.x <= 17.1.0, 16.1.0 <= 16.1.4, 15.1.0 <= 15.1.10, 14.1.0 <= 14.1.5, 13.1.0 <= 13.1.5)
No auth needed
Prerequisites: Network access to the target BIG-IP device · Target device must be running a vulnerable version of BIG-IP
devstral-2 · analyzed May 22, 2026 Full analysis →
nomisec WORKING POC
by cediegreyhat · remote
https://github.com/cediegreyhat/BigFinger

This repository contains a functional Python exploit for CVE-2023-46747, an unauthenticated remote code execution vulnerability in F5 BIG-IP appliances. The exploit automates the creation of a new user, password reset, token retrieval, and command execution via the TMUI interface.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP (v16.x.x)
No auth needed
Prerequisites: Network access to the target BIG-IP appliance · Vulnerable version of F5 BIG-IP
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by fu2x2000 · poc
https://github.com/fu2x2000/CVE-2023-46747

This PoC exploits CVE-2023-46747, an authenticated remote command execution vulnerability in F5 BIG-IP. It sends a crafted JSON payload to the `/mgmt/tm/util/bash` endpoint, executing arbitrary commands via the `utilCmdArgs` parameter.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: F5 BIG-IP (versions affected by CVE-2023-46747)
Auth required
Prerequisites: Valid credentials for BIG-IP management interface · Network access to the target's management port
devstral-2 · analyzed Feb 18, 2026 Full analysis →
vulncheck_xdb WORKING POC
remote
https://github.com/Razzlemouse/F5-BIG-IP-CVE-2023-46747---Unauthenticated-RCE-Reverse-Shell-Nuclei-Template-Modified-

This repository contains a functional exploit for CVE-2023-46747, an unauthenticated RCE vulnerability in F5 BIG-IP via AJP + HTTP request smuggling. The exploit automates the creation of an admin user, changes the password, and sends a reverse shell.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP
No auth needed
Prerequisites: Network access to the target F5 BIG-IP device
devstral-2 · analyzed Feb 25, 2026 Full analysis →
vulncheck_xdb WORKING POC
remote
https://github.com/wbohan/CVE

This PoC exploits CVE-2023-46747, an authentication bypass vulnerability in F5 BIG-IP, by crafting an AJP packet to create an unauthorized user and then leveraging that user to execute arbitrary commands via the management interface.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP
No auth needed
Prerequisites: Network access to the target BIG-IP management interface
devstral-2 · analyzed Feb 25, 2026 Full analysis →
vulncheck_xdb WORKING POC
remote
https://github.com/MD-SEC/MDPOCS

The repository contains functional exploit code for multiple vulnerabilities, including CVE-2023-46747 (F5 BIG-IP RCE). The provided Python scripts demonstrate authentication bypass, RCE, and file read exploits with clear technical implementation.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP (CVE-2023-46747), Apache OFBiz, Array VPN, Atlassian Confluence, and others
No auth needed
Prerequisites: network access to target · specific endpoint paths
devstral-2 · analyzed Feb 25, 2026 Full analysis →
metasploit WORKING POC EXCELLENT
by Michael Weber, Thomas Hendrickson, Sandeep Singh, Spencer McIntyre · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/f5_bigip_tmui_rce_cve_2023_46747.rb

This Metasploit module exploits CVE-2023-46747, an unauthenticated RCE vulnerability in F5 BIG-IP TMUI via AJP request smuggling to create an admin user and execute commands. It automates user creation, password updates, and cleanup.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: F5 BIG-IP TMUI (versions affected by CVE-2023-46747)
No auth needed
Prerequisites: Network access to F5 BIG-IP TMUI on port 443 · AJP protocol support on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

F5 BIG-IP - Unauthenticated RCE via AJP Smuggling
CRITICALVERIFIEDby iamnoooob,rootxharsh,pdresearch
Shodan: http.title:"BIG-IP&reg;-+Redirect" +"Server" || http.title:"big-ip&reg;-+redirect" +"server"
FOFA: title="big-ip&reg;-+redirect" +"server"

Scores

CVSS v3 9.8
EPSS 0.9444
EPSS Percentile 100.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact total

Details

CISA KEV 2023-10-31
VulnCheck KEV 2023-10-31
InTheWild.io 2023-10-31
ENISA EUVD EUVD-2023-50916
Ransomware Use Confirmed
CWE
CWE-306 CWE-288
Status published
Products (20)
f5/big-ip_access_policy_manager 13.1.0 - 13.1.5
f5/big-ip_advanced_firewall_manager 13.1.0 - 13.1.5
f5/big-ip_advanced_web_application_firewall 13.1.0 - 13.1.5
f5/big-ip_analytics 13.1.0 - 13.1.5
f5/big-ip_application_acceleration_manager 13.1.0 - 13.1.5
f5/big-ip_application_security_manager 13.1.0 - 13.1.5
f5/big-ip_application_visibility_and_reporting 13.1.0 - 13.1.5
f5/big-ip_automation_toolchain 13.1.0 - 13.1.5
f5/big-ip_carrier-grade_nat 13.1.0 - 13.1.5
f5/big-ip_container_ingress_services 13.1.0 - 13.1.5
... and 10 more
Published Oct 26, 2023
KEV Added Oct 31, 2023
Tracked Since Feb 18, 2026