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CVE-2018-1163

CRITICAL

This vulnerability allows remote attackers to bypass authentication on vulnerable installations of Quest NetVault Backup 11.2.0.13. The specific flaw exists within JSON RPC Request handling. By setting the checksession parameter to a specific value, it is possible to bypass authentication to critical functions. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-4752.

Published: Feb 8, 2018 Modified: Jun 17, 2026
CWE-287 NVD-CWE-noinfo

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
quest netvault_backup 11.2.0.13

GitHub Security Advisory GHSA-4rqj-h9m9-94p6

This vulnerability allows remote attackers to bypass authentication on vulnerable installations...

References (2)

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 16.04%

Top 3% most likely to be exploited

Threat Score 44 / 100

Data Sources

NVD EPSS GitHub