Overview
A critical security vulnerability (CVE-2025-0411) in 7-Zip enables attackers to bypass Windows Mark of the Web (MotW) protection, potentially leading to successful patch deployment by the developer. The flaw affects versions prior to 24.09 and requires immediate attention due to its exploitation potential.## Whom it may concern* IT Security Teams managing enterprise software deployment* System Administrators responsible for endpoint security* Security Operations Centers monitoring malware threats* End users of 7-Zip software## Key Findings1. Vulnerability allows bypass of Windows security controls through nested archive manipulation2. Patch available in version 24.09 released on November 30, 20243. No auto-update mechanism present in 7-Zip4. Similar vulnerabilities actively exploited by DarkGate and Water Hydra threat actors## Risk Analysis* Probability: High (8/10)* Impact: Critical* Attack Vector: Remote* Complexity: Low* User Interaction: Required* Privileges Required: None## Action Items1. Immediate upgrade to 7-Zip version 24.09 or later2. Implementation of centralized software management for enterprise environments3. Enhancement of endpoint detection and response (EDR) rules4. User training on handling downloaded archives5. Development of automated version control
