EUVD-2026-39139
GHSA-fx4m-mp24-wx63
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable JSON-RPC SQLi with low complexity and no UI; PR:L reflects nominal auth, though the documented auth bypass arguably justifies PR:N, and SQLi-to-RCE yields full C/I/A.
Primary rating from Vendor (trendmicro).
CVSS VectorVendor: trendmicro
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
Quest NetVault Backup NVBUDashboard SQL Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest NetVault Backup. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the processing of NVBUDashboard JSON-RPC messages. The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-27809.
AnalysisAI
SQL injection leading to remote code execution in Quest NetVault Backup allows attackers to run arbitrary code as the NETWORK SERVICE account by sending crafted JSON-RPC messages to the NVBUDashboard component. While the JSON-RPC interface nominally requires authentication, ZDI reports the existing authentication mechanism can be bypassed, effectively lowering the access barrier. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the NetVault Backup NVBUDashboard JSON-RPC interface and the ability to submit messages to it. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.0 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, base 8.8) signals a network-reachable, low-complexity attack requiring only low privileges and no user interaction, with full confidentiality, integrity, and availability impact - a serious combination for a backup server that holds privileged access to an organization's data. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who can reach the NetVault Backup management interface - leveraging the documented authentication bypass, or using low-privilege credentials - sends a crafted NVBUDashboard JSON-RPC message containing a malicious SQL fragment. The injection executes against the backend database and is used to run operating-system commands, giving the attacker code execution as NETWORK SERVICE on the backup server. … |
| Remediation | Upgrade Quest NetVault Backup to the fixed release referenced in the vendor documentation - Quest NetVault Backup 14.0.2 (see release notes at https://support.quest.com/technical-documents/netvault/14.0.2/release-notes#TOPIC-2338529) - after confirming applicability against your installed version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Quest NetVault Backup instances running affected NVBUDashboard versions and isolate them from untrusted networks; review firewall logs for unauthorized JSON-RPC access attempts (default port 8080). …
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External POC / Exploit Code
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