High · published October 30, 2025
⚡ A low-privileged user can send crafted messages to the LDAP WebSocket and bypass security checks! This could spell trouble for your sensitive credentials! 🔥 Think of it like an unwelcome guest at a formal dinner who manages to sneak into the kitchen and start playing with the ingredient list — without anyone noticing until it’s time to serve the meal. An attacker could exploit this vulnerability to access sensitive LDAP credentials or trigger unintended synchronization operations. This could lead to unauthorized access or data leakage, which could be absolutely devastating for your organization's security posture.
Think of it like an unwelcome guest at a formal dinner who manages to sneak into the kitchen and start playing with the ingredient list — without anyone noticing until it’s time to serve the meal. In essence, this vulnerability allows low-privileged authenticated users to invoke LDAP configuration tests and initiate synchronization through crafted messages sent to the /ws/ldap/ endpoint, thus bypassing crucial authorization checks.
An attacker could exploit this vulnerability to access sensitive LDAP credentials or trigger unintended synchronization operations. This could lead to unauthorized access or data leakage, which could be absolutely devastating for your organization's security posture. To protect your system, upgrade JumpServer to version 3.10.21-lts or 4.10.12-lts immediately. Review your current configurations and ensure proper authorization checks are implemented. Regular audits of user privileges can further enhance security. You're on the right track! With these steps, you'll have a fortified fortress in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| fit2cloud/jumpserver | < 3.10.21 | 3.10.21 |
| fit2cloud/jumpserver | ≥ 4.0.0, < 4.10.12 | 4.10.12 |