CVE-2021-28800

HIGH

QNAP QTS < 4.3.3.1624 - OS Command Injection

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0115
EPSS Percentile 78.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (1)
qnap/qts < 4.3.3.1624
Published Jun 24, 2021
Tracked Since Feb 18, 2026