CVE-2020-0796

A critical SMBv3 vulnerability allowed remote code execution, actively exploited and linked to ransomware attacks, impacting DIB organizations reliant on Microsoft infrastructure.

CVE-2020-0796 in Microsoft's SMBv3 protocol enabled attackers to execute code on vulnerable servers and clients, leading to potential data breaches and system compromise. DIB organizations must ensure timely patching and network segmentation to mitigate this risk and maintain CMMC compliance. Failure to address this vulnerability exposes systems to ransomware and other malicious activity.

Shame score — The widespread exploitation of a critical vulnerability in a core Microsoft protocol, linked to ransomware, demonstrates a significant failure in security practices and risk management.