freeSSHd 1.0.9 · Denial of Service (DoS)
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Rated by Threat Radar
Data as of 23 Jul 2025, 01:53 UTC
What to do
AI-suggested
Organizations should immediately assess their exposure by identifying any Windows servers running freeSSHd version 1.0.9. Given the absence of an official patch, mitigation should focus on network-level controls such as restricting access to the SSH service via firewalls or VPNs to trusted IP addresses only. Implementing intrusion detection and prevention systems (IDS/IPS) to monitor and block suspicious SSH traffic patterns can help reduce exploitation risk. Administrators should consider disabling freeSSHd if feasible and migrating to more actively maintained SSH server solutions with robust security support. Regular monitoring of system logs for unusual connection attempts and rate limiting incoming SSH connections can also mitigate the risk. Finally, organizations should stay alert for any updates or patches from the vendor and apply them promptly once available.
Description
freeSSHd 1.0.9 - Denial of Service (DoS)
Indicators of compromise
Exploit source code
# Exploit Title: freeSSHd 1.0.9 - Denial of Service (DoS)
# Date: 2024-01-13
# Discovery by: Fernando Mengali
# Linkedin: https://www.linkedin.com/in/fernando-mengali/
# Software Link: https://www.exploit-db.com/apps/be82447d556d60db55053d658b4822a8-freeSSHd.exe
# Version: 1.0.9
# Tested on: Window XP Professional - Service Pack 2 and 3 - English
# Vulnerability Type: Denial of Service (DoS)
# Tested on: Windows XP - SP3 - English
# CVE: CVE-2024-0723
use IO::Socket;
#2. Proof of Concept - P…