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CVE-2021-28815: qnap systems inc. myqnapcloud link

CVSS: 6.0v3.1MediumModified
Published 16-06-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-28815 is a medium (CVSS 6.0) vulnerability in qnap systems inc. myqnapcloud link. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.2% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.0/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.73%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-06-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Insecure storage of sensitive information has been reported to affect QNAP NAS running myQNAPcloud Link. If exploited, this vulnerability allows remote attackers to read sensitive information by accessing the unrestricted storage mechanism. This issue affects: QNAP Systems Inc. myQNAPcloud Link versions prior to 2.2.21 on QTS 4.5.3; versions prior to 2.2.21 on QuTS hero h4.5.2; versions prior to 2.2.21 on QuTScloud c4.5.4.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.73%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

+0.02 pp

From 1.71% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.73%

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