Apache Struts2 - RCE (CVE-2012-0392)

CVE-2012-0392 is a vulnerability in Apache Struts, where the CookieInterceptor component can allow remote attackers to execute arbitrary commands due to inadequate parameter filtering, leading to potential Java code execution.

CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.

CrowdSec network data shows that most actors exploiting CVE-2012-0392 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. CrowdSec network telemetry also shows that exploitation of CVE-2012-0392 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.

The vulnerability is being leveraged through carefully crafted requests, mainly targeting URLs containing /devmode.action alongside parameters that enable debug command execution.