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I. Basic Information for CVE-2021-38682
Vulnerability Information
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Vulnerability Title
Stack Overflow Vulnerability in QVR Elite, QVR Pro and QVR Guard
Source: NVD (National Vulnerability Database)
Vulnerability Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QuTS hero h4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 4.5.4: QVR Guard 2.1.3.0 and later QTS 5.0.0: QVR Guard 2.1.3.0 and later
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Qnap Qvr缓冲区错误漏洞
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。 QVR 多款产品存在安全漏洞，该漏洞源于一个堆栈缓冲区溢出漏洞会影响运行 QVR Elite、QVR Pro、QVR Guard 的 QNAP 设备。 如果被利用，此漏洞允许攻击者执行任意代码。
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
VendorProductAffected VersionsCPESubscribe
QNAP Systems Inc.QVR Elite unspecified ~ 2.1.4.0 (2021/12/06) -
QNAP Systems Inc.QVR Elite unspecified ~ 2.1.4.0 (2021/12/06) -
QNAP Systems Inc.QVR Elite unspecified ~ 2.1.4.0 (2021/12/06) -
QNAP Systems Inc.QVR Elite unspecified ~ 2.1.4.0 (2021/12/06) -
QNAP Systems Inc.QVR Pro unspecified ~ 2.1.3.0 (2021/12/06) -
QNAP Systems Inc.QVR Pro unspecified ~ 2.1.3.0 (2021/12/06) -
QNAP Systems Inc.QVR Guard unspecified ~ 2.1.3.0 -
QNAP Systems Inc.QVR Guard unspecified ~ 2.1.3.0 -
II. Public POCs for CVE-2021-38682
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III. Intelligence Information for CVE-2021-38682
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IV. Related Vulnerabilities
Same product: QVR Elite
Same vendor: QNAP Systems Inc.
Same weakness: CWE-120
V. Comments for CVE-2021-38682

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