# CVE-2020-2506: QNAP Helpdesk Improper Access Control Vulnerability

Source: https://junglewise.ai/threats/cve-2020-2506-qnap-helpdesk-improper-access-control-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2020-2506 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-25

QNAP Helpdesk contains an improper access control vulnerability in versions prior to 3.0.3. If exploited, this flaw allows remote attackers to gain elevated privileges or read sensitive information, potentially compromising the security of the software.

Technologies: [QNAP Systems Helpdesk](https://junglewise.ai/threats/technologies/helpdesk). Vendors: [QNAP Systems](https://junglewise.ai/threats/vendors/qnap-systems).

## Quick answers

**Is CVE-2020-2506 exploited in the wild?** Yes. CVE-2020-2506 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.

**How severe is CVE-2020-2506?** Critical severity, with a CVSS score of 9.8, published 25 March 2022.

**Which products and versions are affected?** QNAP Systems Inc. Helpdesk prior to 3.0.3.

**Is there a fix for CVE-2020-2506?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2020-2506 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2020-2506?** Check whether you run QNAP Systems Helpdesk. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- QNAP Systems Inc. Helpdesk prior to 3.0.3

## Timeline

- 2021-02-03: disclosed: NVD Published Date
- 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-03-25: exploited: Reported as exploited in the wild in CISA KEV catalog