Permissions, Privileges, and Access Controls in Serv-U FTP Server - CVE-2025-40547
Published: January 30, 2026
Vulnerability identifier: #VU122148
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-2025-40547
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to a logic error. A remote privileged user can execute arbitrary code on the system.
Affected software
Serv-U FTP Server
How to mitigate CVE-2025-40547
Install updates from vendor's website.
Serv-U FTP Server - update to 15.5.3