Cellinx NVT - Path Traversal (CVE-2023-23063)

CVE-2023-23063 is a local file disclosure vulnerability in Cellinx NVT v1.0.6.002b, specifically through the /cgi-bin/GetFileContent.cgi component. This flaw allows remote, unauthenticated attackers to access sensitive files on the affected system, potentially exposing confidential information and aiding in further attacks.

CrowdSec has been tracking this vulnerability and its exploits since 1st of October 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2023-23063 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2023-23063 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2023-23063 is currently experiencing high visibility and active exploitation across the internet.

Attackers exploit the /cgi-bin/GetFileContent.cgi endpoint by supplying crafted USER, PWD, and PATH parameters to retrieve sensitive files such as /etc/passwd from the server.