CVE-2024-23692
Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
Rejetto HTTP File Server
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.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 9 July 2024. US federal agencies were required to remediate it by 30 July 2024. CISA records this vulnerability as known to be used in ransomware campaigns.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 99.5%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2024-23692 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2024-23692.
What does CVE-2024-23692 affect?
CVE-2024-23692 affects Rejetto HTTP File Server. 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.
How severe is CVE-2024-23692?
CVE-2024-23692 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 99.5%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 30 July 2024.
How should organisations respond to CVE-2024-23692?
Apply the vendor patch for Rejetto HTTP File Server as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.