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SMBGhost – Analysis of CVE-2020-0796

ID: 7a19d9b5-d5cd-5185-bb0f-36c565bee664

STIX ID: report--7a19d9b5-d5cd-5185-bb0f-36c565bee664

Feed Name: McAfee Labs Blog

Threat Score
75/100

Date Published: 2020-03-13

Date Updated: 2026-04-28

Author: Eoin Carroll

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This advisory analyzes CVE-2020-0796, a wormable SMBv3 compression vulnerability allowing an attacker to craft malformed compressed SMB messages that can cause buffer overflows and remote BSOD prior to authentication; the report covers technical root cause, patch changes, exposure (including ~35,000 potentially vulnerable hosts observed), and mitigation/IDS coverage.

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