SCCM Hierarchy Takeover with High Availability

TL;DR: SCCM sites configured to support high availability can be abused to compromise the entire hierarchy

I previously wrote about how targeting site systems hosting the SMS Provider role can be used to compromise a SCCM hierarchy. In that blog, I discussed high availability (HA) for the SMS Provider which is designed to support multiple configuration manager console sessions or to support managing SCCM if the SMS provider goes offline. Since then, my coworker Chris Thompson and I started researching …

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