Critical · published October 31, 2025
⚡ A sneaky flaw lurks in Nagios XI versions prior to 2024R1.1.3, where an authenticated user could inadvertently snag sensitive AD or LDAP authentication tokens! 🔥 Think of it like a hotel guest accidentally receiving another guest's keycard to all rooms — now they can access areas they shouldn't! This means a malicious user could escalate their privileges and waltz through the network as if they owned the place, potentially leading to a catastrophic breach! Imagine someone uninvited getting access to the entire network — absolutely devastating!
Think of it like a hotel guest accidentally receiving another guest's keycard to all rooms — now they can access areas they shouldn't! Under certain circumstances, Nagios XI exposes the server's AD/LDAP authentication token to authenticated users, allowing unauthorized domain-wide access and privilege escalation.
This means a malicious user could escalate their privileges and waltz through the network as if they owned the place, potentially leading to a catastrophic breach! Imagine someone uninvited getting access to the entire network — absolutely devastating! Immediately upgrade Nagios XI to version 2024R1.1.3 or later to close this gap. Review permissions for existing users and consider adding additional authentication layers for sensitive information. Regular audits of user access can also help safeguard your network. You've got this! Implement these steps, and you'll be on your way to securing your network in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| nagios/nagios_xi | < 2024 | 2024 |
| nagios/nagios_xi | all versions | — |
| nagios/nagios_xi | all versions | — |
| nagios/nagios_xi | all versions | — |
| nagios/nagios_xi | all versions | — |
| nagios/nagios_xi | all versions | — |
| nagios/nagios_xi | all versions | — |