Microsoft Configuration Manager

SCCM Misconfigurations Expose Organizations to Full Infrastructure Takeover

BI.ZONE expert Alexander Kuznetsov details how Microsoft Configuration Manager (SCCM) deployments in 25% of Russian organizations can grant attackers complete control over corporate infrastructure when misconfigured. The article outlines critical risks including administrative privilege escalation, lateral movement, data collection, persistence, and policy manipulation that allow attackers to blend with legitimate maintenance operations. Key recommendations focus on infrastructure isolation, placing Site Server, SMS Provider, and Site Database Server roles in Tier 0 segments, and avoiding single SCCM hierarchies across multiple Active Directory forests or security tiers. The report emphasizes eliminating Network Access Account (NAA) usage in favor of HTTPS or Enhanced HTTP, strictly limiting Client Push Account and domain join account privileges, and auditing computer accounts for site servers. Additional guidance covers PXE deployment risks, database access restrictions, and role-based administrative controls to prevent credential extraction via tools such as SharpSCCM and mimikatz. Overall, the publication provides actionable hardening steps aligned with the principle of least privilege to reduce the attack surface of widely deployed SCCM environments.