OS Command Injection in BIG-IP - CVE-2026-42924
Published: May 14, 2026
Vulnerability identifier: #VU131407
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42924
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges or bypass Appliance mode restrictions.
The vulnerability exists due to command injection in iControl SOAP when creating SNMP configuration objects. A remote privileged user can create crafted SNMP configuration objects to escalate privileges or bypass Appliance mode restrictions.
In Appliance mode deployments, successful exploitation can cross a security boundary. This is a control plane issue only.
Affected software
BIG-IP
How to mitigate CVE-2026-42924
Install security update from vendor's website.
BIG-IP - addressed in versions 17.1.3.1, 17.5.1.4, 21.0.0.1