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CVE-2021-28800— Command Injection Vulnerability in QTS

Quick assessment

Affected
QNAP Systems Inc. QTS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Qnap Systems QNAP QTS是中国威联通（Qnap Systems）公司的一款类似SAN存储架构的数据存储设备。该设备支持分层存储、镜像保护等保障功能。 QNAP QTS 存在操作系统命令注入漏洞，该漏洞源于输入验证不当。以下产品及版本受到影响：QNAP QTS: before 4.5.3.1652 20210428 。

CVSS 8.1 · High EPSS 1.43% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-28800

Vulnerability Information
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Vulnerability Title
Command Injection Vulnerability in QTS
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Qnap Systems QNAP QTS 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Systems QNAP QTS是中国威联通（Qnap Systems）公司的一款类似SAN存储架构的数据存储设备。该设备支持分层存储、镜像保护等保障功能。 QNAP QTS 存在操作系统命令注入漏洞，该漏洞源于输入验证不当。以下产品及版本受到影响：QNAP QTS: before 4.5.3.1652 20210428 。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
QNAP Systems Inc. QTS unspecified ~ 4.3.6.1663 Build 20210504 -
QNAP Systems Inc. QuTS hero h4.5.3 -
QNAP Systems Inc. QuTScloud c4.5.5 -

II. Public POCs for CVE-2021-28800

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III. Intelligence Information for CVE-2021-28800

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Other References for CVE-2021-28800 (1)

IV. Related Vulnerabilities

Same product: QTS
Same vendor: QNAP Systems Inc.
Same weakness: CWE-78

V. Comments for CVE-2021-28800

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