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I. Basic Information for CVE-2021-31890
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). The total length of an TCP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0017)
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对不一致结构体元素处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Siemens Nucleus ReadyStart 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens Nucleus ReadyStart是德国Siemens公司的一个捆绑式解决方案。用于加速完整系统的快速启动并提供丰富的板级支持包 (Bsp) Siemens Nucleus ReadyStart 存在安全漏洞，该漏洞源于 TCP 有效负载的总长度（在 IP 标头中设置）未选中。这可能会导致各种副作用，包括信息泄漏和拒绝服务条件，具体取决于内存中的网络缓冲区组织。
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
SiemensCapital Embedded AR Classic 431-422 0 ~ * -
SiemensCapital Embedded AR Classic R20-11 0 ~ V2303 -
SiemensPLUSCONTROL 1st Gen All versions -
SiemensSIMOTICS CONNECT 400 All versions < V0.5.0.0 -
SiemensSIMOTICS CONNECT 400 All versions < V1.0.0.0 -
II. Public POCs for CVE-2021-31890
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III. Intelligence Information for CVE-2021-31890
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IV. Related Vulnerabilities
Same product: Capital Embedded AR Classic 431-422
Same vendor: Siemens
Same weakness: CWE-240
V. Comments for CVE-2021-31890

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