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Q1What is this vulnerability? (Essence + Consequences)
๐จ **Essence**: ConnectWise Automate Agent uses **HTTP** instead of HTTPS due to misconfiguration. ๐ **Consequences**: Traffic is unencrypted, allowing **Man-in-the-Middle (MitM)** attacks.โฆ
๐ก๏ธ **Root Cause**: **CWE-319** (Cleartext Transmission of Sensitive Information). ๐ **Flaw**: The agent is configured to allow **HTTP protocol** connections.โฆ
โก **Threshold**: **LOW**. ๐ซ **Auth**: No authentication required for the network-level attack. โ๏ธ **Config**: Exploits the **misconfiguration** (HTTP usage).โฆ
๐ **Public Exp?**: **YES**. ๐ **PoC**: Available on GitHub (`synap5e/connectwise-automate-AiTM-rce`). ๐ **Details**: Writeup and code for RCE via Adversary-in-the-Middle are public.โฆ
๐ **Self-Check**: Scan for ConnectWise Automate agents communicating over **HTTP** (Port 80/8080) instead of HTTPS. ๐ก **Feature**: Look for unencrypted traffic in network logs.โฆ
๐ ๏ธ **Fixed?**: **YES**. ๐ **Date**: Published 2025-10-16. ๐ **Patch**: ConnectWise released a security fix in version **2025.9**. ๐ **Ref**: Check official security bulletins for the specific patch details.
Q9What if no patch? (Workaround)
๐ง **Workaround**: If patching is delayed, **force HTTPS** configuration in the agent settings. ๐ซ **Block**: Restrict network access to prevent HTTP connections.โฆ