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I. Basic Information for CVE-2020-3426
Vulnerability Information

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Vulnerability Title
Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the implementation of the Low Power, Wide Area (LPWA) subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data or cause a denial of service (DoS) condition. The vulnerability is due to a lack of input and validation checking mechanisms for virtual-LPWA (VLPWA) protocol modem messages. An attacker could exploit this vulnerability by supplying crafted packets to an affected device. A successful exploit could allow the attacker to gain unauthorized read access to sensitive data or cause the VLPWA interface of the affected device to shut down, resulting in DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
权限、特权和访问控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS是美国思科(Cisco)公司的一套为其网络设备开发的操作系统。 Cisco IOS Software Cisco 800系列工业集成多业务路由器(Industrial ISR)和Cisco 1000系列互联网格路由器(CGR1000)存在输入验证错误漏洞,该漏洞源于缺少用于虚拟LWP(VLPWA)协议调制解调器消息的输入和验证检查机制所致,该漏洞允许攻击者通过向受影响的设备提供精心制作的数据包来利用此漏洞。
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
CiscoCisco IOS 15.2(6)E4 n/a -
II. Public POCs for CVE-2020-3426
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III. Intelligence Information for CVE-2020-3426
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IV. Related Vulnerabilities
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