Pyload/pyload - RCE (CVE-2023-0297)

CVE-2023-0297 is a critical code injection vulnerability affecting PyLoad, which may allow attackers to execute arbitrary code by sending crafted requests to the application.

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-2023-0297 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-2023-0297 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.

Attackers are primarily sending requests to URLs containing /flash/addcrypted2 in order to exploit this vulnerability.