8.8

CVE-2021-28814: qnap systems inc. helpdesk Improper Privilege Management

CVSS: 8.8v3.1HighModified
Published 11-06-2021Last modified 17-09-2024

Vulnerability summary

CVE-2021-28814 is a high (CVSS 8.8) Improper Privilege Management vulnerability in qnap systems inc. helpdesk. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-06-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.23%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap1 product
Qnap systems inc.1 product

2 vendors · 2 products

References

1 links