GoAnywhere MFT - RCE (CVE-2023-0669)

CVE-2023-0669 is a pre-authentication command injection vulnerability in Fortra GoAnywhere MFT, stemming from unsafe deserialization in the License Response Servlet. This flaw allows remote attackers to execute arbitrary commands on the affected system before authentication, potentially leading to full system compromise.

CrowdSec has been tracking this vulnerability and its exploits since 25th of September 2025.

CrowdSec network data shows that most actors exploiting CVE-2023-0669 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2023-0669 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2023-0669 is currently experiencing high visibility and active exploitation across the internet.

Attackers exploit the /goanywhere/lic/accept endpoint by sending specially crafted POST requests to trigger remote code execution via unsafe deserialization in Fortra GoAnywhere MFT.