Known exploited vulnerability

CVE-2020-2506

QNAP Helpdesk Improper Access Control Vulnerability

What is affected

Vendor QNAP Systems
Product Helpdesk
Weakness CWE-284

The vulnerability

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

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 15 April 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 12 Nov 2026, 00:29. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗