Privilege Escalation Vulnerability in Kaseya Unitrends Backup Appliance

CVE-2021-43040

What is CVE-2021-43040?

A security vulnerability exists in the Kaseya Unitrends Backup Appliance versions prior to 10.5.5, where the privileged vaultServer component can be exploited. This could allow attackers to create arbitrary writable files on the system, resulting in potential privilege escalation. Such an exploit could lead to unauthorized access and manipulation of sensitive data, posing a significant risk to the integrity and security of the affected environment.

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