Applied Cybernetics Group
Threat intel → detection pipeline
Friday, September 18, 2026
Data as of 13:09 UTC

known ransomware use

Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability

Added to KEV
2024-07-09
Federal due date
2024-07-30
Vendor
Rejetto
Product
HTTP File Server
EPSS
99.9th percentile (score 0.995, as of 2026-09-16)
NVD CVSS v3.1
9.8 (CRITICAL)
Ransomware use
Known
ATT&CK
T1005 , T1082 , T1105 , T1221 , T1496 · signal rollup
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2024-23692

CISA short 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.

NVD 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.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.