Local Account Vulnerability in Kaseya VSA Remote Monitoring and Management Solution

CVE-2019-14510

What is CVE-2019-14510?

A vulnerability in Kaseya VSA allows for the creation of a local administrative account (FSAdminxxxxxxxxx) on servers hosting the LAN Cache feature. By default, this account gains local Administrator group privileges on all connected clients. If one of these clients operates as a Domain Controller, the same account is inadvertently created as a domain account, granting it membership in the domain's BUILTIN\Administrators group. This misconfiguration enables attackers to exploit Pass-the-Hash techniques, allowing them to pass the hash of the FSAdmin account from any LAN Cache client to the Domain Controller, thus compromising administrative access across the domain.

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