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CVE record · CVE-2021-28816

Stack Buffer Overflow Vulnerabilities in QTS, QuTS hero, and QuTScloud

CVSS 7.6 HighEPSS 0.0093 · 60th percentile

Published by the CVE Program (CNA: qnap) at 10 Sept 2021, 04:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
QNAP Systems Inc. QTS
  • affected unspecified to before 4.5.4.1715 build 20210630 custom
  • affected unspecified to before 5.0.0.1716 build 20210701 custom
  • affected unspecified to before 4.3.3.1693 build 20210624 custom
  • affected unspecified to before 4.3.6.1750 build 20210730 custom
QNAP Systems Inc. QuTScloud
  • affected unspecified to before c4.5.6.1755 custom
QNAP Systems Inc. QuTS hero
  • affected unspecified to before h4.5.4.1771 build 20210825 custom
Identifiers
CVE-2021-28816
CNA
qnap
Weakness (CWE)
CWE-787
Tags
Published
10 Sept 2021
Updated
17 Sept 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.6 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H CNA (qnap)
  • CISA KEV Not listed.
  • EPSS 0.0093, the 60th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Sept 2021. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.