ZeroDay Findings
Sign inSign up

Findings

CVE-2020-2506

QNAP Helpdesk Improper Access Control Vulnerability

Published Feb 3, 2021 · updated Jun 16, 2026 · qnap helpdesk

The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 3, 2021 · Catalog

    Detected

    The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

Required action

Apply updates per vendor instructions.

CISA due date Apr 15, 2022

Affected

  • cpe qnap/helpdeskversion unspecified
  • vendor QNAP Systems Helpdeskversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2020-2506

    QNAP Helpdesk contains an improper access control vulnerability which could allow an attacker to gain privileges or to read sensitive information.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-2506

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-2506

    30-day exploitation probability 2.0%

    first.org
  • NIST NVDVulnerability recordCVE-2020-2506

    The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to compromise the security of the software by gaining privileges, or reading sensitive information. This issue affects: QNAP Syst

    nvd.nist.gov

References