CVE-2020-11547 — AI Deep Analysis Summary

🚨 **What is this vulnerability?** * **Essence:** Information Disclosure in Paessler PRTG Network Monitor. * **Mechanism:** Attackers use specific HTTP parameters to extract sensitive internal data. * **Consequence…

🛠️ **Root Cause? (CWE/Flaw)** * **Flaw:** Improper input validation in the `type` parameter. * **Location:** Endpoints `/public/login.htm` or `/index.htm`. * **CWE:** Not explicitly defined in data (null), but cle…

🎯 **Who is affected? (Versions/Components)** * **Product:** Paessler PRTG Network Monitor. * **Affected Versions:** All versions **before 20.1.57.1745**. * **Component:** The core network monitoring software runni…

💻 **What can hackers do? (Privileges/Data)** * **Data Access:** Retrieve CPU load, memory usage, DNS name, Windows version, and system ID. 📊 * **Visuals:** Capture screenshots of the interface.…

📊 **Is exploitation threshold high? (Auth/Config)** * **Auth Required:** **NO.** Remote unauthenticated user. 🚫🔑 * **Complexity:** Low. Just a simple HTTP GET request with a parameter.…

💣 **Is there a public Exp? (PoC/Wild Exploitation)** * **PoC Available:** **YES.** GitHub repo `ch-rigu/CVE-2020-11547`. 🐙 * **Scanner:** Nuclei templates exist (`CVE-2020-11547.yaml`).…

🔍 **How to self-check? (Features/Scanning)** * **Manual Test:** Visit `http://<target>/public/login.htm?type=probes`. 🌐 * **Check Response:** Look for JSON/XML data containing system stats.…

🛡️ **Is it fixed officially? (Patch/Mitigation)** * **Fix Status:** **YES.** Fixed in version **20.1.57.1745** and later. ✅ * **Action:** Upgrade PRTG Network Monitor to the patched version.…

🚧 **What if no patch? (Workaround)** * **Network:** Block external access to `/public/login.htm` and `/index.htm`. 🚫🌐 * **WAF:** Configure Web Application Firewall to block `type` parameter abuse.…

⚡ **Is it urgent? (Priority Suggestion)** * **Priority:** **HIGH.** 🔴 * **Reason:** Unauthenticated + Easy Exploit + Sensitive Data. 📉 * **Action:** Patch immediately if running vulnerable versions.…