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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
8.7/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

EPSS Probability
0.43%

34.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Access Policy Manager>= 15.1.0, < 15.1.9
F5Big-Ip Access Policy Manager>= 16.1.0, < 16.1.4
F5Big-Ip Advanced Firewall Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Advanced Firewall Manager>= 15.1.0, < 15.1.9
F5Big-Ip Advanced Firewall Manager>= 16.1.0, < 16.1.4
F5Big-Ip Application Security Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Application Security Manager>= 15.1.0, < 15.1.9
F5Big-Ip Application Security Manager>= 16.1.0, < 16.1.4
F5Big-Ip Domain Name System>= 13.1.0, <= 14.1.5
F5Big-Ip Domain Name System>= 15.1.0, < 15.1.9
F5Big-Ip Domain Name System>= 16.1.0, < 16.1.4
F5Big-Ip Local Traffic Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Local Traffic Manager>= 15.1.0, < 15.1.9
F5Big-Ip Local Traffic Manager>= 16.1.0, < 16.1.4
F5Big-Ip Advanced Web Application Firewall>= 13.1.0, <= 14.1.5
F5Big-Ip Advanced Web Application Firewall>= 15.1.0, < 15.1.9
F5Big-Ip Advanced Web Application Firewall>= 16.1.0, < 16.1.4
F5Big-Ip Analytics>= 13.1.0, <= 14.1.5
F5Big-Ip Analytics>= 15.1.0, < 15.1.9
F5Big-Ip Analytics>= 16.1.0, < 16.1.4
F5Big-Ip Application Acceleration Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Application Acceleration Manager>= 15.1.0, < 15.1.9
F5Big-Ip Application Acceleration Manager>= 16.1.0, < 16.1.4
F5Big-Ip Application Visibility And Reporting>= 13.1.0, <= 14.1.5
F5Big-Ip Application Visibility And Reporting>= 15.1.0, < 15.1.9
F5Big-Ip Application Visibility And Reporting>= 16.1.0, < 16.1.4
F5Big-Ip Carrier-Grade Nat>= 13.1.0, <= 14.1.5
F5Big-Ip Carrier-Grade Nat>= 15.1.0, < 15.1.9
F5Big-Ip Carrier-Grade Nat>= 16.1.0, < 16.1.4
F5Big-Ip Ddos Hybrid Defender>= 13.1.0, <= 14.1.5
F5Big-Ip Ddos Hybrid Defender>= 15.1.0, < 15.1.9
F5Big-Ip Ddos Hybrid Defender>= 16.1.0, < 16.1.4
F5Big-Ip Fraud Protection Service>= 13.1.0, <= 14.1.5
F5Big-Ip Fraud Protection Service>= 15.1.0, < 15.1.9
F5Big-Ip Fraud Protection Service>= 16.1.0, < 16.1.4
F5Big-Ip Global Traffic Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Global Traffic Manager>= 15.1.0, < 15.1.9
F5Big-Ip Global Traffic Manager>= 16.1.0, < 16.1.4
F5Big-Ip Link Controller>= 13.1.0, <= 14.1.5
F5Big-Ip Link Controller>= 15.1.0, < 15.1.9
F5Big-Ip Link Controller>= 16.1.0, < 16.1.4
F5Big-Ip Policy Enforcement Manager>= 13.1.0, <= 14.1.5
F5Big-Ip Policy Enforcement Manager>= 15.1.0, < 15.1.9
F5Big-Ip Policy Enforcement Manager>= 16.1.0, < 16.1.4
F5Big-Ip Ssl Orchestrator>= 13.1.0, <= 14.1.5
F5Big-Ip Ssl Orchestrator>= 15.1.0, < 15.1.9
F5Big-Ip Ssl Orchestrator>= 16.1.0, < 16.1.4
F5Big-Ip Webaccelerator>= 13.1.0, <= 14.1.5
F5Big-Ip Webaccelerator>= 15.1.0, < 15.1.9

Showing 50 of 54 affected configurations. See NVD for the full list.

References

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.

Are you affected by CVE-2023-43746?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST