CVE-2017-17421: Quest Netvault Backup

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Quest NetVault Backup 11.3.0.12. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NVBUSelectionSet Get method requests. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of the underlying database. Was ZDI-CAN-4232.

Affected products

• Quest Netvault Backup: version 11.3.0.12 only

Published 2018-02-08. Last modified 2026-06-17.