CVE-2021-30201

CVE-2021-30201 affects Kaseya VSA (on‑premises/server side) where the API /vsaWS/KaseyaWS.asmx processes XML with external entities. The vulnerability arises from insecure handling of XML external entities, allowing an attacker to cause the server to read local files (e.g., c:\kaseya\kserver\kser...