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CVE-2026-42930 Details
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.
A vulnerability exists in BIG-IP systems running in Appliance mode, allowing an authenticated attacker with Administrator privileges to bypass Appliance mode restrictions. This could lead to unauthorized access to read and modify arbitrary system files. The issue is confined to the control plane, with no exposure in the data plane.
Users can upgrade to BIG-IP versions 17.5.1.6, 17.1.3.2, or 21.0.0.2, depending on their current version. For more information about managing BIG-IP product hotfixes, refer to the F5 article K13123.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 13, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://my.f5.com/manage/s/article/K000160876 | [email protected] | MitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-35 | Path Traversal: '.../...//' | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| f5 big-ip access policy manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip advanced firewall manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip advanced web application firewall | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip analytics | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip application acceleration manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip application security manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip application visibility and reporting | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip automation toolchain | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip carrier-grade nat | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip container ingress services | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip ddos hybrid defender | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip domain name system | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip edge gateway | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip fraud protection service | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip global traffic manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip link controller | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip local traffic manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip policy enforcement manager | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip ssl orchestrator | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip webaccelerator | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
| f5 big-ip websafe | 21.0.0 >= 17.1.0, <= 17.1.3 >= 17.5.0, <= 17.5.1 >= 16.1.0, <= 16.1.6 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 18, 2026 | Initial Analysis | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 13, 2026 | New CVE Received | [email protected] |