CVEs / CVE-2024-23692
CVE-2024-23692: Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
- Known exploited in the CISA KEV catalog since 9 Jul 2024
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 99.4% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Rejetto HTTP File Server contains an improper neutralization of special elements used in a template engine vulnerability. This allows a remote, unauthenticated attacker to execute commands on the affected system by sending a specially crafted HTTP request.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Rejetto HTTP File Server | up to and including 2.3m | — |
| rejetto http_file_server | up to and including 2.3m | — |
Exploitation
| In CISA KEV since | 9 Jul 2024 |
|---|---|
| Due date for US federal agencies | 30 Jul 2024 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-1336, CWE-94 |
References
- CVE-2024-23692 on NVD
- CVE-2024-23692 in the CISA KEV catalog
- https://github.com/rejetto/hfs?tab=readme-ov-file#installation (cited by CISA)
- https://www.rejetto.com/hfs/ (cited by CISA)
- https://github.com/rapid7/metasploit-framework/pull/19240 Exploit, Issue Tracking, Patch
- https://mohemiv.com/all/rejetto-http-file-server-2-3m-unauthenticated-rce/ Exploit
- https://vulncheck.com/advisories/rejetto-unauth-rce Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2024-23692-detect-rejetto-hfs-vulnerability Exploit, Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2024-23692-rejetto-hfs-mitigate-vulnerability Exploit, Third Party Advisory
- https://www.vicarius.io/vsociety/posts/unauthenticated-rce-flaw-in-rejetto-http-file-server-cve-2024-23692 Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-23692 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.