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I. Basic Information for CVE-2021-34696
Vulnerability Information

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Vulnerability Title
Cisco ASR 900 and ASR 920 Series Aggregation Services Routers Access Control List Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the access control list (ACL) programming of Cisco ASR 900 and ASR 920 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect programming of hardware when an ACL is configured using a method other than the configuration CLI. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco ASR 900 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ASR 900是美国思科(Cisco)公司的一款900系列聚合服务路由器。 Cisco ASR 900和ASR 920 存在安全漏洞,该漏洞源于使用配置命令行以外的方法配置ACL时,硬件编程错误造成的。攻击者可利用该漏洞向受影响的设备发送流量来绕过ACL。
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-2021-34696
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III. Intelligence Information for CVE-2021-34696
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