ZDI-26-370: Quest NetVault Backup NVBURASDevice SQL Injection Remote Code Execution Vulnerability
A SQL injection vulnerability in Quest NetVault Backup's NVBURASDevice JSON-RPC interface allows remote attackers to execute arbitrary code. Although exploitation requires authentication, 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
CVE-2026-9781 is a critical SQL injection vulnerability in Quest NetVault Backup affecting the NVBURASDevice JSON-RPC message processing. The flaw arises from improper validation of user-supplied strings used in SQL queries, allowing remote attackers to bypass authentication and execute arbitrary code with NETWORK SERVICE privileges. The vulnerability has a CVSS score of 8.8 as assigned by ZDI. Quest has released an update to fix this vulnerability.
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 backup server. The authentication bypass increases the risk by lowering the barrier to exploitation.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor-provided patch is the recommended remediation. No additional mitigations are indicated by the vendor advisory.
ZDI-26-370: Quest NetVault Backup NVBURASDevice SQL Injection Remote Code Execution Vulnerability
Description
A SQL injection vulnerability in Quest NetVault Backup's NVBURASDevice JSON-RPC interface allows remote attackers to execute arbitrary code. Although exploitation requires authentication, 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
CVE-2026-9781 is a critical SQL injection vulnerability in Quest NetVault Backup affecting the NVBURASDevice JSON-RPC message processing. The flaw arises from improper validation of user-supplied strings used in SQL queries, allowing remote attackers to bypass authentication and execute arbitrary code with NETWORK SERVICE privileges. The vulnerability has a CVSS score of 8.8 as assigned by ZDI. Quest has released an update to fix this vulnerability.
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 backup server. The authentication bypass increases the risk by lowering the barrier to exploitation.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor-provided patch is the recommended remediation. No additional mitigations are indicated 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}
Threat ID: 6a3c59a24853345fc1ee9671
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 06/24/2026, 22:27:53 UTC
Last updated: 06/24/2026, 23:46:06 UTC
Views: 3
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