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HIGH · 8.7

CVE-2026-42930

When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system.  Note: Software versions which have r...

Vulnerability Description

When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS Score

8.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager21.0.0
F5Big-Ip Advanced Firewall Manager21.0.0
F5Big-Ip Advanced Web Application Firewall21.0.0
F5Big-Ip Analytics21.0.0
F5Big-Ip Application Acceleration Manager21.0.0
F5Big-Ip Application Security Manager21.0.0
F5Big-Ip Application Visibility And Reporting21.0.0
F5Big-Ip Automation Toolchain21.0.0
F5Big-Ip Carrier-Grade Nat21.0.0
F5Big-Ip Container Ingress Services21.0.0
F5Big-Ip Ddos Hybrid Defender21.0.0
F5Big-Ip Domain Name System21.0.0
F5Big-Ip Edge Gateway21.0.0
F5Big-Ip Fraud Protection Service21.0.0
F5Big-Ip Global Traffic Manager21.0.0
F5Big-Ip Link Controller21.0.0
F5Big-Ip Local Traffic Manager21.0.0
F5Big-Ip Policy Enforcement Manager21.0.0
F5Big-Ip Ssl Orchestrator21.0.0
F5Big-Ip Webaccelerator21.0.0

Related Weaknesses (CWE)

CWE-35

References

FAQ

What is CVE-2026-42930?

CVE-2026-42930 is a vulnerability with a CVSS score of 8.7 (HIGH). When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system.  Note: Software versions which have r...

How severe is CVE-2026-42930?

CVE-2026-42930 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42930?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.