Description
Quest NetVault Backup nvpmgr Integer Underflow Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Quest NetVault Backup. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the nvpmgr service, which listens on UDP port 20031 by default. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-28744.
Published: 2026-11-12
Score: 7.5 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 12 Nov 2026 03:00:00 +0000

Type Values Removed Values Added
Description Quest NetVault Backup nvpmgr Integer Underflow Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Quest NetVault Backup. Authentication is not required to exploit this vulnerability. The specific flaw exists within the nvpmgr service, which listens on UDP port 20031 by default. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before allocating a buffer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-28744.
Title Quest NetVault Backup nvpmgr Integer Underflow Denial-of-Service Vulnerability
Weaknesses CWE-191
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-11-12T02:49:34.234Z

Reserved: 2026-06-24T21:23:28.760Z

Link: CVE-2026-13270

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-12T03:17:11.913

Modified: 2026-11-12T03:17:11.913

Link: CVE-2026-13270

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-191

    Integer Underflow (Wrap or Wraparound)