Nagios XI - SQLi (CVE-2023-48084)

CVE-2023-48084 is a critical vulnerability affecting Nagios XI, where improper input handling in an administrative interface leads to SQL injection through the bulk modification tool.

CrowdSec has been tracking this vulnerability and its exploits since 7th of April 2025.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2023-48084 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. CrowdSec network telemetry also shows that exploitation of CVE-2023-48084 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Observed exploitation attempts often involve requests targeting URLs matching /nagiosxi/index.php/admin/banner_message-ajaxhelper.php.