Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
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.
A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2024-07-30 under CISA BOD 22-01.
This is a Software Vulnerability (CWE-1336) (CWE-1336) vulnerability in Rejetto HTTP File Server. Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.
📧
Phishing link
🖼
Malicious file
🔓
Server compromised
Probably yes if any of these apply:
Active exploitation documented in the wild. Threat-research write-up: https://github.com/rapid7/metasploit-framework/pull/19240
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
References
No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.
References