CVE-2021-28814

Improper Access Control Vulnerability in Helpdesk

Description

An improper access control vulnerability has been reported to affect QNAP NAS. If exploited, this vulnerability allows remote attackers to compromise the security of the software. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.4.

Remediation

Solution:

  • QNAP has already fixed this issue in Helpdesk 3.0.4 and later versions.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.66% Top 30%
Vendor Advisory qnap.com
Affected: QNAP Systems Inc. Helpdesk
Published at:
Updated at:

References

Link Tags
https://www.qnap.com/zh-tw/security-advisory/qsa-21-25 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-28814?
CVE-2021-28814 has been scored as a high severity vulnerability.
How to fix CVE-2021-28814?
To fix CVE-2021-28814: QNAP has already fixed this issue in Helpdesk 3.0.4 and later versions.
Is CVE-2021-28814 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-28814 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28814?
CVE-2021-28814 affects QNAP Systems Inc. Helpdesk.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.