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.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2023-23063 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. CrowdSec data also reveals a clear uptick in attacks involving CVE-2023-23063 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

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.