Buffer Overflow Vulnerability in Kaseya Unitrends Backup Appliance

CVE-2021-43042

What is CVE-2021-43042?

A buffer overflow vulnerability has been identified in Kaseya's Unitrends Backup Appliance versions prior to 10.5.5. This vulnerability resides within the vaultServer component, where improper validation may allow a remote unauthenticated attacker to exploit the flaw. Successful exploitation could lead to unexpected behaviors, including the potential for sensitive data exposure or system compromise. Organizations using affected versions are strongly urged to upgrade to version 10.5.5 or later to mitigate this risk.

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