ZDI-26-370: Quest NetVault Backup NVBURASDevice SQL Injection Remote Code Execution Vulnerability
A critical SQL injection vulnerability exists in Quest NetVault Backup's NVBURASDevice JSON-RPC message processing. This flaw allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges by exploiting improper validation of user-supplied strings used in SQL queries. Although authentication is nominally required, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI Analysis
Technical Summary
CVE-2026-9781 is a critical remote code execution vulnerability in Quest NetVault Backup. It arises from improper validation of user input in NVBURASDevice JSON-RPC messages, leading to SQL injection. Attackers can bypass authentication and execute arbitrary code in the context of NETWORK SERVICE. The vulnerability has a CVSS score of 8.8. Quest has released an update to fix the issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges on affected Quest NetVault Backup installations. This can lead to full compromise of the affected system's backup environment and potentially broader network impact depending on the deployment.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Users should apply the update as soon as possible to remediate the issue. No additional mitigations are specified by the vendor advisory.
ZDI-26-370: Quest NetVault Backup NVBURASDevice SQL Injection Remote Code Execution Vulnerability
Description
A critical SQL injection vulnerability exists in Quest NetVault Backup's NVBURASDevice JSON-RPC message processing. This flaw allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges by exploiting improper validation of user-supplied strings used in SQL queries. Although authentication is nominally required, the authentication mechanism can be bypassed. Quest has issued an update to address this vulnerability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-9781 is a critical remote code execution vulnerability in Quest NetVault Backup. It arises from improper validation of user input in NVBURASDevice JSON-RPC messages, leading to SQL injection. Attackers can bypass authentication and execute arbitrary code in the context of NETWORK SERVICE. The vulnerability has a CVSS score of 8.8. Quest has released an update to fix the issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code with NETWORK SERVICE privileges on affected Quest NetVault Backup installations. This can lead to full compromise of the affected system's backup environment and potentially broader network impact depending on the deployment.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Users should apply the update as soon as possible to remediate the issue. No additional mitigations are specified by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-370/","fetched":true,"fetchedAt":"2026-06-24T22:25:02.416Z","wordCount":199}
- Classification
- {"confidence":0.95,"severitySource":"heuristic","classifier":"rss-v2"}
Threat ID: 6a3c59a24853345fc1ee9671
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 07/23/2026, 23:13:32 UTC
Last updated: 08/08/2026, 12:41:12 UTC
Views: 93
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