CVE-2021-28800highCWE-78

CVE-2021-28800: high-severity vulnerability in QNAP Systems Inc. QTS

Command Injection Vulnerability in QTS

Published · Updated

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.1epss 1.4%
A command injection vulnerability has been reported to affect QNAP NAS running legacy versions of QTS. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.3.6.1663 Build 20210504; versions prior to 4.3.3.1624 Build 20210416. This issue does not affect: QNAP Systems Inc. QTS 4.5.3. QNAP Systems Inc. QuTS hero h4.5.3. QNAP Systems Inc. QuTScloud c4.5.5.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
QNAP Systems Inc. · QTSQNAP Systems Inc. · QuTScloudQNAP Systems Inc. · QuTS hero
Related CVEs — QNAP Systems Inc. QTS

In the same product, most dangerous first.

CVE-2020-2509CRITICALCommand Injection Vulnerability in QTS and QuTS heroEPSS 34.0%KEVCVE-2018-19953MEDIUMCVE-2018-19953EPSS 30.5%KEVCVE-2018-19949CRITICALCVE-2018-19949EPSS 30.2%KEVCVE-2018-19943HIGHCVE-2018-19943EPSS 22.7%KEVCVE-2023-47218MEDIUMQTS, QuTS hero, QuTScloudEPSS 89.9%CVE-2023-51364HIGHQTS, QuTS hero, QuTScloudEPSS 39.7%