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CVE record · CVE-2021-28798

Relative Path Traversal Vulnerability in QTS and QuTS hero

CVSS 8.8 HighEPSS 0.0094 · 61st percentile

Published by the CVE Program (CNA: qnap) at 21 May 2021, 03:00 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 4.5.2.1630 Build 20210406 custom
  • affected unspecified to before 4.3.6.1663 Build 20210504 custom
  • affected unspecified to before 4.3.3.1624 Build 20210416 custom
  • unaffected 4.5.3
QNAP Systems Inc. QuTS hero
  • affected unspecified to before h4.5.2.1638 Build 20210414 custom
Identifiers
CVE-2021-28798
CNA
qnap
Weakness (CWE)
CWE-23 · CWE-284
Tags
Published
21 May 2021
Updated
16 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
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (qnap)
  • CISA KEV Not listed.
  • EPSS 0.0094, the 61st 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 21 May 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.