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CVE-2023-46747: F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-10-31
• EPSS: 96.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-26 · updated 2026-06-17
• Weakness: CWE-288

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

Affected products

• F5 BIG-IP APM: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• BIG-IP: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Advanced Web Application Firewall: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Analytics: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Networks, Inc. BIG-IP (AAM): from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• BIG-IP ASM: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Application Visibility And Reporting: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Automation Toolchain: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Carrier-Grade Nat: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 BIG-IP Container Ingress Services: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Ddos Hybrid Defender: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 BIG-IP DNS: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Fraud Protection Services: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Global Traffic Manager: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Link Controller: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 BIG-IP (LTM): from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Networks, Inc. BIG-IP (PEM): from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Ssl Orchestrator: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Webaccelerator: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1
• F5 Big-Ip Websafe: from 13.1.0 through 13.1.5; from 14.1.0 through 14.1.5; from 15.1.0 through 15.1.10; from 16.1.0 through 16.1.4; from 17.1.0 through 17.1.1

References

• http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.html
• https://my.f5.com/manage/s/article/K000137353
• https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/
• http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.html
• https://my.f5.com/manage/s/article/K000137353
• https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-46747

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