74cms - RFI (CVE-2020-29279)

CVE-2020-29279 is a critical remote file inclusion vulnerability in the assign_resume_tpl method of 74CMS before version 6.0.48, which allows attackers to execute arbitrary code remotely. This flaw can be exploited to gain full control over the affected system, potentially leading to data theft, system compromise, or further attacks within the network.

CrowdSec has been tracking this vulnerability and its exploits since 29th of October 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2020-29279 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. In addition, according to the CrowdSec network, attack volume against CVE-2020-29279 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

Attackers exploit the /index.php?m=home&a=assign_resume_tpl endpoint by sending POST requests with a crafted tpl parameter to achieve remote file inclusion and potentially execute arbitrary PHP code on the server.