# CVE-2024-23692: Rejetto HTTP File Server - RCE

> Live exploitation tracking for CVE-2024-23692 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-2024-23692

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.8
- **Public exploit available:** Yes
- **Affected products:** Rejetto HTTP File Server
- **Weaknesses:** CWE-1336 (Improper Neutralization of Special Elements Used in a Template Engine)
- **Tags:** file_sharing

## Description

Rejetto HTTP File Server, up to and including version 2.3m, is vulnerable to a template injection vulnerability. This vulnerability allows a remote, unauthenticated attacker to execute arbitrary commands on the affected system by sending a specially crafted HTTP request. As of the CVE assignment date, Rejetto HFS 2.3m is no longer supported.

## CrowdSec analysis

[CVE-2024-23692](https://euvd.enisa.europa.eu/vulnerability/CVE-2024-23692) is a high-severity vulnerability in Rejetto HTTP File Server that enables unauthenticated remote command execution due to a template injection flaw. Attackers can send specially crafted requests to exploit this issue, potentially compromising the underlying server.

CrowdSec has been tracking this vulnerability and its exploits since 1st of August 2024.

Data from the CrowdSec community indicates that exploitation of CVE-2024-23692 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations.
In addition, according to the CrowdSec network, attack volume against CVE-2024-23692 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.

Observed attacks commonly involve search-related requests containing template markers within the URL, making them effective for identifying vulnerable instances.

## Timeline

- 2024-05-31: CVE Published. CVE-2024-23692 is published to NVD.
- 2024-07-09: CISA KEV. CVE-2024-23692 is added to the Known Exploited Vulnerabilities catalog by CISA.
- 2024-07-30: CISA Remediation Deadline. Expiration of the CISA remediation deadline as described in [BOD 22-01](https://www.cisa.gov/news-events/directives/bod-22-01-reducing-significant-risk-known-exploited-vulnerabilities).
- 2024-08-01: Rule Released. CrowdSec releases a rule to detect CVE-2024-23692 exploitation attempts against the CrowdSec Network.
- 2024-11-23: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2024-23692 for the first time.

## References

- https://vulncheck.com/advisories/rejetto-unauth-rce
- https://mohemiv.com/all/rejetto-http-file-server-2-3m-unauthenticated-rce/
- https://github.com/rapid7/metasploit-framework/pull/19240
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-23692.yaml
- https://www.vicarius.io/vsociety/posts/cve-2024-23692-rejetto-hfs-mitigate-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2024-23692-detect-rejetto-hfs-vulnerability
- https://www.vicarius.io/vsociety/posts/unauthenticated-rce-flaw-in-rejetto-http-file-server-cve-2024-23692

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2024-23692) follows observed exploitation activity for CVE-2024-23692. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.