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I. Basic Information for CVE-2021-31885
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.1), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). TFTP server application allows for reading the contents of the TFTP memory buffer via sending malformed TFTP commands. (FSMD-2021-0009)
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不正确的长度值访问缓冲区
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 TFTP 服务器应用程序允许通过发送格式错误的 TFTP 命令读取 TFTP 内存缓冲区的内容。
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
SiemensAPOGEE MBC (PPC) (BACnet) All versions -
SiemensAPOGEE MBC (PPC) (P2 Ethernet) All versions -
SiemensAPOGEE MEC (PPC) (BACnet) All versions -
SiemensAPOGEE MEC (PPC) (P2 Ethernet) All versions -
SiemensAPOGEE PXC Compact (BACnet) All versions < V3.5.4 -
SiemensAPOGEE PXC Compact (P2 Ethernet) All versions < V2.8.19 -
SiemensAPOGEE PXC Modular (BACnet) All versions < V3.5.4 -
SiemensAPOGEE PXC Modular (P2 Ethernet) All versions < V2.8.19 -
SiemensDesigo PXC00-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC00-U All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC001-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC100-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC12-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC128-U All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC200-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC22-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC22.1-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC36.1-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC50-E.D All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXC64-U All versions >= V2.3 and < V6.30.016 -
SiemensDesigo PXM20-E All versions >= V2.3 and < V6.30.016 -
SiemensNucleus NET All versions -
SiemensNucleus ReadyStart V3 All versions < V2017.02.4 -
SiemensNucleus ReadyStart V4 All versions < V4.1.1 -
SiemensNucleus Source Code All versions -
SiemensPLUSCONTROL 1st Gen All versions -
SiemensTALON TC Compact (BACnet) All versions < V3.5.4 -
SiemensTALON TC Modular (BACnet) All versions < V3.5.4 -
II. Public POCs for CVE-2021-31885
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III. Intelligence Information for CVE-2021-31885
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IV. Related Vulnerabilities
Same product: APOGEE MBC (PPC) (BACnet)
Same vendor: Siemens
Same weakness: CWE-805
V. Comments for CVE-2021-31885

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