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I. Basic Information for CVE-2020-27009
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been identified in APOGEE PXC Compact (BACnet) (All versions < V3.5.5), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.20), APOGEE PXC Modular (BACnet) (All versions < V3.5.5), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.20), Nucleus NET (All versions < V5.2), Nucleus Source Code (Versions including affected DNS modules), TALON TC Compact (BACnet) (All versions < V3.5.5), TALON TC Modular (BACnet) (All versions < V3.5.5). The DNS domain name record decompression functionality does not properly validate the pointer offset values. The parsing of malformed responses could result in a write past the end of an allocated structure. An attacker with a privileged position in the network could leverage this vulnerability to execute code in the context of the current process or cause a denial-of-service condition.
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
使用越界的指针偏移
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款Siemens产品 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens TALON Series是德国西门子（Siemens）公司的一个开放系统。使控制器和应用程序在单个平台上运行，同时彼此互操作。 多款Siemens产品存在缓冲区错误漏洞，攻击者可利用该漏洞在上下文中执行任意代码。
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
SiemensAPOGEE PXC Compact (BACnet) All versions < V3.5.5 -
SiemensAPOGEE PXC Compact (P2 Ethernet) All versions < V2.8.20 -
SiemensAPOGEE PXC Modular (BACnet) All versions < V3.5.5 -
SiemensAPOGEE PXC Modular (P2 Ethernet) All versions < V2.8.20 -
SiemensNucleus NET All versions < V5.2 -
SiemensNucleus Source Code Versions including affected DNS modules -
SiemensTALON TC Compact (BACnet) All versions < V3.5.5 -
SiemensTALON TC Modular (BACnet) All versions < V3.5.5 -
II. Public POCs for CVE-2020-27009
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III. Intelligence Information for CVE-2020-27009
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New Vulnerabilities
Product: APOGEE PXC Compact (BACnet)
Vendor: Siemens
Same weakness: CWE-823
V. Comments for CVE-2020-27009

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