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I. Basic Information for CVE-2021-34723
Vulnerability Information

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Vulnerability Title
Cisco IOS XE SD-WAN Software Arbitrary File Overwrite Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in a specific CLI command that is run on Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the configuration database of an affected device. This vulnerability is due to insufficient validation of specific CLI command parameters. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of the configuration database and gain root-level access to an affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
将资源暴露给错误范围
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XE SD-WAN Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XE SD-WAN Software是美国思科(Cisco)公司的一款应用于Cisco IOS XE 网络操作系统的用于网络管理(软件定义网络)的软件。 Cisco IOS XE SD-WAN Software 存在安全漏洞,该漏洞源于CLI命令参数验证不足造成的。攻击者可利用该漏洞发出带有特定参数的命令来覆盖配置数据库的内容。
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
CiscoCisco IOS XE Software n/a -
II. Public POCs for CVE-2021-34723
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III. Intelligence Information for CVE-2021-34723
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