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I. Basic Information for CVE-2021-37740
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A denial of service vulnerability exists in MDT's firmware for the KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03 before v3.0.4, that allows a remote attacker to turn the device unresponsive to all requests on the KNXnet/IP Secure layer, until the device is rebooted, via a SESSION_REQUEST frame with a modified total length field.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
MDT KNXnet/IP Secure router和MDT KNX IP interface 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MDT KNXnet/IP Secure router和MDT KNX IP interface都是德国MDT公司的产品。MDT KNXnet/IP Secure router是一系列安全路由器。MDT KNX IP interface是一个接口。将 KNX 总线与以太网连接起来。 MDT KNXnet/IP Secure router SCN-IP100.03 和 KNX IP interface SCN-IP000.03 存在安全漏洞。远程攻击者通过发送修改了总长度字段的 SESSION_REQUES
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
-n/a n/a -
II. Public POCs for CVE-2021-37740
#POC DescriptionSource LinkShenlong Link
1PoC for DoS vulnerability CVE-2021-37740 in firmware v3.0.3 of SCN-IP100.03 and SCN-IP000.03 by MDT. The bug has been fixed in firmware v3.0.4.https://github.com/robertguetzkow/CVE-2021-37740POC Details
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III. Intelligence Information for CVE-2021-37740
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-37740

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