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 processing allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Although exploitation requires authentication, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI Analysis
Technical Summary
The vulnerability exists in Quest NetVault Backup within the NVBUDeviceDrive JSON-RPC message processing due to improper validation of user-supplied strings used in SQL queries. This flaw enables remote attackers to bypass authentication and execute arbitrary code in the context of the NETWORK SERVICE account. The vulnerability is tracked as CVE-2026-9782 and has a CVSS score of 8.8. Quest has released an update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected systems with NETWORK SERVICE privileges, potentially leading to full compromise of the affected installation. The authentication bypass increases the risk by removing the need for valid credentials.
Mitigation Recommendations
Quest has issued an official update to correct this vulnerability. Users should apply the update provided by Quest as detailed in the vendor'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 processing allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Although exploitation requires authentication, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability exists in Quest NetVault Backup within the NVBUDeviceDrive JSON-RPC message processing due to improper validation of user-supplied strings used in SQL queries. This flaw enables remote attackers to bypass authentication and execute arbitrary code in the context of the NETWORK SERVICE account. The vulnerability is tracked as CVE-2026-9782 and has a CVSS score of 8.8. Quest has released an update to fix this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected systems with NETWORK SERVICE privileges, potentially leading to full compromise of the affected installation. The authentication bypass increases the risk by removing the need for valid credentials.
Mitigation Recommendations
Quest has issued an official update to correct this vulnerability. Users should apply the update provided by Quest as detailed in the vendor'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}
- Classification
- {"confidence":0.95,"severitySource":"heuristic","classifier":"rss-v2"}
Threat ID: 6a3c59a24853345fc1ee966e
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 07/23/2026, 23:13:25 UTC
Last updated: 08/08/2026, 16:39:12 UTC
Views: 118
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.