ZDI-26-372: Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability
A critical remote code execution vulnerability exists in Quest NetVault Backup due to improper validation of user-supplied input in NVBURemovableMedia JSON-RPC messages. Although exploitation requires authentication, the authentication mechanism can be bypassed, allowing remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Quest has released an update to address this issue.
AI Analysis
Technical Summary
CVE-2026-9783 is a critical vulnerability in Quest NetVault Backup involving SQL injection in the NVBURemovableMedia JSON-RPC interface. The flaw stems from insufficient validation of user-supplied strings used in SQL queries, enabling attackers to execute arbitrary code remotely. Despite requiring authentication, the authentication can be bypassed, increasing the risk of exploitation. The vulnerability has a CVSS score of 8.8 and allows code execution in the context of NETWORK SERVICE. Quest has issued an update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected Quest NetVault Backup installations with NETWORK SERVICE privileges. This can lead to full compromise of the affected system, including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor-provided patch or update is the recommended remediation. Since the vulnerability involves authentication bypass and remote code execution, timely patching is critical.
ZDI-26-372: Quest NetVault Backup NVBURemovableMedia SQL Injection Remote Code Execution Vulnerability
Description
A critical remote code execution vulnerability exists in Quest NetVault Backup due to improper validation of user-supplied input in NVBURemovableMedia JSON-RPC messages. Although exploitation requires authentication, the authentication mechanism can be bypassed, allowing remote attackers to execute arbitrary code with NETWORK SERVICE privileges. Quest has released an update to address this issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-9783 is a critical vulnerability in Quest NetVault Backup involving SQL injection in the NVBURemovableMedia JSON-RPC interface. The flaw stems from insufficient validation of user-supplied strings used in SQL queries, enabling attackers to execute arbitrary code remotely. Despite requiring authentication, the authentication can be bypassed, increasing the risk of exploitation. The vulnerability has a CVSS score of 8.8 and allows code execution in the context of NETWORK SERVICE. Quest has issued an update to fix this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code on affected Quest NetVault Backup installations with NETWORK SERVICE privileges. This can lead to full compromise of the affected system, including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Quest has issued an official update that corrects this vulnerability. Applying the vendor-provided patch or update is the recommended remediation. Since the vulnerability involves authentication bypass and remote code execution, timely patching is critical.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-372/","fetched":true,"fetchedAt":"2026-06-24T22:24:58.667Z","wordCount":199}
Threat ID: 6a3c59a24853345fc1ee966b
Added to database: 06/24/2026, 22:26:42 UTC
Last enriched: 06/24/2026, 22:27:42 UTC
Last updated: 06/25/2026, 01:22:59 UTC
Views: 6
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