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CVE-2021-44051— Command injection

Quick assessment

Affected
QNAP Systems Inc. QuTScloud
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 QUTS Hero等都是中国威联通（QNAP Systems）公司的产品。QUTS Hero是一款用于管理文件的NAS操作系统。QNAP QuTScloud是一种 QNAP NAS 操作系统的云端优化版本。QNAP Systems QTS是一个入门到中阶QNAP NAS 使用的操作系统。 QNAP QTS、QuTS hero 和 QuTScloud 存在命令注入漏洞，该漏洞源于输入验证不正确。远程攻击者利用此漏洞可在目标系统上执行任意命令。以下产品和版本受到影响：QNAP QTS

CVSS 8.8 · High EPSS 1.66% · P76

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-44051

Vulnerability Information
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Vulnerability Title
Command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP Systems 多款产品命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP Systems QUTS Hero等都是中国威联通（QNAP Systems）公司的产品。QUTS Hero是一款用于管理文件的NAS操作系统。QNAP QuTScloud是一种 QNAP NAS 操作系统的云端优化版本。QNAP Systems QTS是一个入门到中阶QNAP NAS 使用的操作系统。 QNAP QTS、QuTS hero 和 QuTScloud 存在命令注入漏洞，该漏洞源于输入验证不正确。远程攻击者利用此漏洞可在目标系统上执行任意命令。以下产品和版本受到影响：QNAP QTS
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. QuTScloud unspecified ~ c5.0.1.1949 -
QNAP Systems Inc. QuTS hero unspecified ~ h5.0.0.1986 build 20220324 -
QNAP Systems Inc. QTS unspecified ~ 5.0.0.1986 build 20220324 -

II. Public POCs for CVE-2021-44051

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III. Intelligence Information for CVE-2021-44051

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Other References for CVE-2021-44051 (1)

Same Patch Batch · QNAP Systems Inc. · 2022-05-05 · 9 CVEs total

CVE-2022-27588 9.8 CRITICAL Vulnerability in QVR
CVE-2021-44056 7.1 HIGH Improper authentication in Video Station
CVE-2021-44057 7.1 HIGH Improper authentication in Photo Station
CVE-2021-44052 6.5 MEDIUM Arbitrary file read
CVE-2021-44053 5.7 MEDIUM Reflected XSS
CVE-2021-38693 5.3 MEDIUM Path Traversal in thttpd
CVE-2021-44055 5.3 MEDIUM Information leakage in Video Station
CVE-2021-44054 4.3 MEDIUM Open redirect

IV. Related Vulnerabilities

Same product: QuTScloud
Same vendor: QNAP Systems Inc.
Same weakness: CWE-77

V. Comments for CVE-2021-44051

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