ZDI-26-371: Quest NetVault Backup NVBUDeviceDrive SQL Injection Remote Code Execution Vulnerability
A SQL injection vulnerability in Quest NetVault Backup's NVBUDeviceDrive JSON-RPC message processing allows remote attackers to execute arbitrary code. Exploitation requires authentication, but the authentication mechanism can be bypassed. The vulnerability enables code execution with NETWORK SERVICE privileges. Quest has issued an update to address this issue.
AI Analysis
Technical Summary
The vulnerability exists due to improper validation of user-supplied strings used in SQL queries within the NVBUDeviceDrive JSON-RPC interface of Quest NetVault Backup. This flaw allows remote attackers to bypass authentication and execute arbitrary code remotely in the context of the NETWORK SERVICE account. The Zero Day Initiative assigned a CVSS score of 8.8, indicating high severity. Quest has released an update to fix this vulnerability as documented in their release notes.
Potential Impact
Successful exploitation results in remote code execution with NETWORK SERVICE privileges on affected Quest NetVault Backup installations. This can lead to complete compromise of the affected system. The vulnerability bypasses authentication, increasing the risk of unauthorized access and control.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Users should apply the vendor-provided patch or update to the fixed version as documented in Quest's release notes at https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529. No additional mitigations are specified by the vendor advisory.
ZDI-26-371: Quest NetVault Backup NVBUDeviceDrive SQL Injection Remote Code Execution Vulnerability
Description
A SQL injection vulnerability in Quest NetVault Backup's NVBUDeviceDrive JSON-RPC message processing allows remote attackers to execute arbitrary code. Exploitation requires authentication, but the authentication mechanism can be bypassed. The vulnerability enables code execution with NETWORK SERVICE privileges. Quest has issued an update to address this issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability exists due to improper validation of user-supplied strings used in SQL queries within the NVBUDeviceDrive JSON-RPC interface of Quest NetVault Backup. This flaw allows remote attackers to bypass authentication and execute arbitrary code remotely in the context of the NETWORK SERVICE account. The Zero Day Initiative assigned a CVSS score of 8.8, indicating high severity. Quest has released an update to fix this vulnerability as documented in their release notes.
Potential Impact
Successful exploitation results in remote code execution with NETWORK SERVICE privileges on affected Quest NetVault Backup installations. This can lead to complete compromise of the affected system. The vulnerability bypasses authentication, increasing the risk of unauthorized access and control.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Users should apply the vendor-provided patch or update to the fixed version as documented in Quest's release notes at https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529. No additional mitigations are specified by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-371/","fetched":true,"fetchedAt":"2026-06-24T22:25:00.558Z","wordCount":199}
Threat ID: 6a3c59a24853345fc1ee966e
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 06/24/2026, 22:27:47 UTC
Last updated: 06/24/2026, 23:59:40 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.