The 2021 Trustwave SpiderLabs Telemetry Report analyzes high-profile vulnerabilities, showing that more than 50% of internet-facing servers remained unpatched weeks or months after fixes were available, often running unsupported versions or deprecated protocols like SMBv1 and RDP. Critical flaws such as Microsoft Exchange ProxyShell, ProxyLogon, ProxyToken, Apache Tomcat request smuggling, QNAP NAS command injection, VMware vCenter, Pulse Connect Secure, F5 BIG-IP, and Oracle WebLogic left thousands of systems exposed worldwide. The report stresses that attackers exploit Shodan telemetry faster than defenders patch, urging organizations to maintain updated asset inventories, run frequent scans, and prioritize rapid patching to reduce risk.

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