CVE-2024-23692 Rejetto HTTP File Server: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Jul 30, 2024
What to do
- Install Rejetto's security update for HTTP File Server. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Rejetto HTTP File Server Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
- Product
- Rejetto HTTP File Server
- CISA 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.
- Type of flaw
- Software flaw (CWE-1336)
- Confirmed exploited
- Jul 9, 2024 — known to be used in ransomware attacks
- US federal patch deadline
- Jul 30, 2024
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Answering about CVE-2024-23692 ·
Questions about CVE-2024-23692
Is CVE-2024-23692 being exploited?
Yes. CISA added CVE-2024-23692 to its Known Exploited Vulnerabilities catalog on Jul 9, 2024, which means there is reliable evidence of real-world attacks, including by ransomware groups.
How do I fix CVE-2024-23692?
Install Rejetto's security update for HTTP File Server. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2024-23692?
Only if you use Rejetto HTTP File Server. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.