Serv-U vulnerabilities
4 known CVE vulnerabilities in Serv-U, translated and rated.
- CVE-2025-40549Critical
Serv-U contains a Path Restriction Bypass vulnerability that, when abused, could give a malicious actor with admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this is scored as medium due to differences in how paths and home directories are handled.
- CVE-2025-40548Critical
Serv-U contains a missing validation process vulnerability that, when abused, could give a malicious actor with admin privileges the ability to execute code. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as medium because services frequently run under less-privileged service accounts by default.
- CVE-2025-40547Critical
Serv-U contains a logic error vulnerability that, when abused, could give a malicious actor with admin privileges the ability to execute code. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as medium because services frequently run under less-privileged service accounts by default.
- CVE-2023-35179High
A vulnerability has been identified within Serv-U 15.4 that allows bypassing multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action.

