SB2025050756 - Two privilege escalation vulnerabilities in F5OS

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2025-43878)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input. When running in appliance mode, an authenticated user assigned the Administrator or Resource Administrator role can bypass Appliance mode restrictions utilizing system diagnostics tcpdump command utility on a F5OS-A/C system.

2) Improper authorization (CVE-ID: CVE-2025-46265)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to improper authorization. A remote user authenticated via LDAP, RADIUS, or TACACS+ protocols can obtain higher privilege F5OS roles.

Remediation

Install update from vendor's website.

References

• https://my.f5.com/manage/s/article/K000139502
• https://my.f5.com/manage/s/article/K000139503