CVE-2021-28814

8.8 highEPSS 1.2%

High (8.8) in qnap helpdesk. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2021-06-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

qnap:helpdesk

References

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

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