Cyber Resilience

CVE-2026-41217

HighLPEUpdated

Published: 13 May 2026

Published
13 May 2026
Modified
24 June 2026
KEV Added
Patch
CVSS Score v4 8.3 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0011 1.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-41217 is a high-severity Incorrect Permission Assignment for Critical Resource (CWE-732) vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 8.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 1.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow…

more

the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Direct privilege escalation via exploitation of vulnerable tmsh command allowing higher-privileged arbitrary command execution (CWE-732).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-41953Same product: F5 Big-Ip Access Policy Manager
CVE-2025-20029Same product: F5 Big-Ip Access Policy Manager
CVE-2026-41225Same product: F5 Big-Ip Access Policy Manager
CVE-2025-21087Same product: F5 Big-Ip Access Policy Manager
CVE-2026-41218Same product: F5 Big-Ip Access Policy Manager
CVE-2025-20045Same product: F5 Big-Ip Access Policy Manager
CVE-2025-21091Same product: F5 Big-Ip Access Policy Manager
CVE-2025-24320Same product: F5 Big-Ip Access Policy Manager
CVE-2025-20058Same product: F5 Big-Ip Access Policy Manager
CVE-2026-42406Same product: F5 Big-Ip Access Policy Manager

Affected Assets

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
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
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
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
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
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
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
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
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
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
+11 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-732

Procedures support proper permission assignment for critical resources through documented controls.

addresses: CWE-732

Attribute management for resources provides a mechanism to assign and maintain correct permissions based on security labels.

addresses: CWE-732

Prevents overly permissive assignments to critical resources by limiting to task needs.

addresses: CWE-732

Training policy covers correct permission assignment, reducing the ability to exploit incorrect permission assignments for critical resources.

addresses: CWE-732

Training on permission management reduces incorrect permission assignments for critical resources.

addresses: CWE-732

Audit logs and logging tools are critical resources whose protection requires correct permission assignments to block unauthorized actions.

addresses: CWE-732

Assessments review permission assignments on critical resources to confirm correctness, mitigating exploitation via incorrect permissions.

addresses: CWE-732

Certification includes checking that permissions on critical resources are correctly assigned.

References