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I. Basic Information for CVE-2021-34728
Vulnerability Information

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Vulnerability Title
Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XR 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XR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 XR软件CLI存在操作系统命令注入漏洞,该漏洞源于对用户提供的命令输入验证不足。攻击者可利用该漏洞通过在提示符处使用精心编制的命令来提升受影响设备上的权限
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 XR Software n/a -
II. Public POCs for CVE-2021-34728
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III. Intelligence Information for CVE-2021-34728
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IV. Related Vulnerabilities
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