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CVE-2021-34349— Command Injection Vulnerability in QVR

Quick assessment

Affected
QNAP Systems Inc. QVR
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 Qvr是中国威联通科技（Qnap）公司的一个Qnap监控系统控制中心。 Qnap Qvr 存在命令注入漏洞，该漏洞源于不正确的输入验证造成的。如果被利用，该漏洞将允许远程攻击者运行任意命令。

CVSS 7.2 · High EPSS 1.45% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34349

Vulnerability Information
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Vulnerability Title
Command Injection Vulnerability in QVR
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QVR: QVR 5.1.5 build 20210803 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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 Qvr 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Qvr是中国威联通科技（Qnap）公司的一个Qnap监控系统控制中心。 Qnap Qvr 存在命令注入漏洞，该漏洞源于不正确的输入验证造成的。如果被利用，该漏洞将允许远程攻击者运行任意命令。
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. QVR unspecified ~ 5.1.5 build 20210803 -

II. Public POCs for CVE-2021-34349

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III. Intelligence Information for CVE-2021-34349

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Other References for CVE-2021-34349 (1)

Same Patch Batch · QNAP Systems Inc. · 2021-09-27 · 3 CVEs total

CVE-2021-34351 9.8 CRITICAL Command Injection Vulnerability in QVR
CVE-2021-34348 9.8 CRITICAL Command Injection Vulnerability in QVR

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-34349

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