CVE-2024-23692 (GCVE-0-2024-23692)
Vulnerability from cvelistv5 – Published: 2024-05-31 09:36 – Updated: 2026-08-11 03:55 Unsupported When AssignedTitle
Rejetto HTTP File Server 2.3m Unauthenticated RCE
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.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-27 00:00 UTC
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vulncheck.com/advisories/rejetto-unauth-rce | third-party-advisory |
| https://mohemiv.com/all/rejetto-http-file-server-… | third-party-advisorytechnical-description |
| https://github.com/rapid7/metasploit-framework/pu… | issue-tracking |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
| https://www.vicarius.io/vsociety/posts/unauthenti… | |
| https://www.vicarius.io/vsociety/posts/cve-2024-2… | |
| https://www.vicarius.io/vsociety/posts/cve-2024-2… |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Rejetto | HTTP File Server |
Affected:
0 , ≤ 2.3m
(custom)
cpe:2.3:a:rejetto:http_file_server:*:*:*:*:*:*:*:* |
||
| rejetto | http_file_server |
Affected:
0 , ≤ 2.3m
(custom)
cpe:2.3:a:rejetto:http_file_server:2.3m:*:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e2cae957-7f60-419d-9786-63068e898f5f
Exploited: Yes
Timestamps
First Seen: 2024-07-09
Asserted: 2024-07-09
Scope
Notes: KEV entry: Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability | Affected: Rejetto / HTTP File Server | Description: 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-07-30 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): The patched Rejetto HTTP File Server (HFS) is version 3: https://github.com/rejetto/hfs?tab=readme-ov-file#installation, https://www.rejetto.com/hfs/ ; https://nvd.nist.gov/vuln/detail/CVE-2024-23692
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-1336 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | HTTP File Server |
| Due Date | 2024-07-30 |
| Date Added | 2024-07-09 |
| Vendorproject | Rejetto |
| Vulnerabilityname | Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 13:24 UTC
| Updated: 2026-02-06 07:53 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 015331fa-2e8a-4887-8bae-3b3da9b1676e
Exploited: Yes
Characteristics
Severity:
98.0
Timestamps
First Seen: 2024-11-13
Asserted: 2024-11-13
Last Seen: 2026-09-07
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Rejetto / Rejetto HTTP File Server | Class: web-server | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-09-07: 2
Evidence
Type: Honeypot
Signal: In The Wild Attempts
Confidence: 70%
Source: shadowserver
Details
| 1D | 1 |
|---|---|
| Iot | no |
| Feed | Shadowserver Foundation honeypot/exploited-vulnerabilities |
| Type | http-scan |
| Class | web-server |
| 7D Avg | 0 |
| Vendor | Rejetto |
| 30D Avg | 0 |
| 90D Avg | 1 |
| Product | Rejetto HTTP File Server |
| Cisa Kev | yes |
| Connections | 2 |
| Observation Date | 2026-09-07 |
| Vulnerability Class | CVSS |
| Vulnerability Score | 9.8 |
| Vulnerability Severity | Critical |
References
Created: 2026-07-01 05:54 UTC
| Updated: 2026-09-09 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 93e968e5-6228-4836-bbae-78c3fb3b7e04
Exploited: Yes
Timestamps
First Seen: 2024-07-09
Asserted: 2024-07-09
Scope
Notes: KEVIntel entry: Rejetto HTTP File Server 2.3m Unauthenticated RCE | Affected: Rejetto / HTTP File Server | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Rejetto HTTP File Server 2.3m Unauthenticated RCE |
| Vendor | Rejetto |
| Product | HTTP File Server |
| Added Date | 2024-07-09T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | None |
| Cvss Severity | CRITICAL |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:14 UTC
| Updated: 2026-06-23 11:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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