# CVE-2023-23063: Cellinx NVT - Path Traversal

> Live exploitation tracking for CVE-2023-23063 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2023-23063

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 7.5
- **Public exploit available:** Yes
- **Affected products:** Cellinx NVT
- **Weaknesses:** CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

## Description

Cellinx NVT v1.0.6.002b was discovered to contain a local file disclosure vulnerability via the component /cgi-bin/GetFileContent.cgi.

## CrowdSec analysis

[CVE-2023-23063](https://euvd.enisa.europa.eu/vulnerability/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.
Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2023-23063 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2023-23063 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

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.

## Timeline

- 2023-02-22: CVE Published. CVE-2023-23063 is published to NVD.
- 2025-10-01: Rule Released. CrowdSec releases a rule to detect CVE-2023-23063 exploitation attempts against the CrowdSec Network.
- 2025-10-02: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2023-23063 for the first time.

## References

- https://github.com/ahmedalroky/CVEs/tree/cellinx
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-23063.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2023-23063) follows observed exploitation activity for CVE-2023-23063. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.