How severe is CVE-2020-2506?

CVE-2020-2506 has a CVSS 3.1 base score of 7.3 (HIGH). EPSS estimates a 2.0% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2020-2506: improper access control vulnerability in

CISA Known Exploited Vulnerabilities

QNAP Helpdesk Improper Access Control Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-03-25

Remediation due

2022-04-15

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-2506

Description

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.

Severity

CVSS 3.1 · CNA7.3 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
QNAP Systems Inc.	Helpdesk	unspecified to <3.0.3

References

1 Links

Other references

https://www.qnap.com/zh-tw/security-advisory/qsa-20-08

Record Details

Published

2021-02-03

Last updated

2025-10-21

Assigner (CNA)

qnap

Credited to

Jose Antonio Pérez Piedra

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-284 · Improper Access Control

IAM Tools Application Security Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.