SB2026031344 - Privilege escalation in F5OS Intel CPU
Published: March 13, 2026
Security Bulletin ID
SB2026031344
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper isolation or compartmentalization (CVE-ID: CVE-2025-20109)
CWE-ID: CWE-653 - Improper isolation or compartmentalization
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper isolation in the stream cache mechanism. A local user can execute arbitrary code with elevated privileges.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.