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Fencer Vulns
critical 9.8

CVE-2024-23692 kev+ ransomware in the critical feed json

Rejetto HTTP File Server 2.3m Unauthenticated RCE

published 2024-05-31 2 y ago modified 2026-11-08 20 h ago also EUVD-2024-21153

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2024-07-09, used in ransomware
epss
99.5%
EPSS 99.5% chance of exploitation in 30 days, percentile 99.9%
public exploits
2
Metasploit, Exploit-DB, plus a Nuclei check

Summary

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.

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Timeline

  1. First public exploit (Metasploit exploit/windows/http/rejetto_hfs_rce_cve_2024_23692)
  2. Published
  3. CISA SSVC: exploitation active
  4. Added to CISA KEV
  5. CISA patch deadline

Known exploited

Added
2 y ago
Patch by
2024-07-30 (2 y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Rejetto, HTTP File Server
CISA name
Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1221 Template Injection exploitation
  • T1082 System Information Discovery primary impact
  • T1005 Data from Local System secondary impact
  • T1105 Ingress Tool Transfer secondary impact
  • T1496 Resource Hijacking secondary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

99.48% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/http/rejetto_hfs_rce_cve_2024_23692 Rejetto HTTP File Server (HFS) Unauthenticated Remote Code Execution metasploit exploit, excellent rank, 2024-05-25
  • EDB-52102 Rejetto HTTP File Server 2.3m - Remote Code Execution (RCE) webapps, 2025-03-28
  • Nuclei template Rejetto HTTP File Server - Template injection nuclei detection template
  • github.com https://github.com/rapid7/metasploit-framework/pull/19240 referenced PoC, tagged "exploit" by a source, unverified
  • mohemiv.com https://mohemiv.com/all/rejetto-http-file-server-2-3m-unauthenticated-rce/ referenced PoC, tagged "exploit" by a source, unverified
  • vicarius.io https://www.vicarius.io/vsociety/posts/unauthenticated-rce-flaw-in-rejetto-http-file-server-cve-2024-23692 referenced PoC, tagged "exploit" by a source, unverified
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2024-23692-detect-rejetto-hfs-vulnerability referenced PoC, tagged "exploit" by a source, unverified
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2024-23692-rejetto-hfs-mitigate-vulnerability referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Rejetto HTTP File Server
  • rejetto http_file_server

Classification

Weakness
  • CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.