CVE-2023-43746
HIGHCVSS 8.7/10EPSS 0.43%
Last modified
CVE-2023-43746 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. When running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, utilizing BIG-IP external monitor on a BIG-IP system. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
When running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, utilizing BIG-IP external monitor on a BIG-IP system. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Access Policy Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Access Policy Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Advanced Firewall Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Application Security Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Application Security Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Domain Name System | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Domain Name System | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Domain Name System | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Local Traffic Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Local Traffic Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Local Traffic Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Analytics | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Analytics | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Analytics | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Application Acceleration Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Application Visibility And Reporting | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Application Visibility And Reporting | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Application Visibility And Reporting | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Carrier-Grade Nat | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Carrier-Grade Nat | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Carrier-Grade Nat | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Fraud Protection Service | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Fraud Protection Service | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Fraud Protection Service | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Global Traffic Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Global Traffic Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Global Traffic Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Link Controller | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Link Controller | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Link Controller | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Policy Enforcement Manager | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Policy Enforcement Manager | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Policy Enforcement Manager | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Ssl Orchestrator | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Ssl Orchestrator | >= 15.1.0, < 15.1.9 |
| F5 | Big-Ip Ssl Orchestrator | >= 16.1.0, < 16.1.4 |
| F5 | Big-Ip Webaccelerator | >= 13.1.0, <= 14.1.5 |
| F5 | Big-Ip Webaccelerator | >= 15.1.0, < 15.1.9 |
Showing 50 of 54 affected configurations. See NVD for the full list.
References
- https://my.f5.com/manage/s/article/K41072952Vendor Advisory
- https://my.f5.com/manage/s/article/K41072952Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-43746?
When running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, utilizing BIG-IP external monitor on a BIG-IP system. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2023-43746?
CVE-2023-43746 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2023-43746?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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