Cisco IOS XR and Cisco NX-OS Software IPv6 Access Control List Bypass Vulnerability

A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices could allow an unauthenticated, remote attacker to bypass an IPv6 access control list (ACL) that is configured for an interface of an affected device. The vulnerability is due to improper processing of IPv6 traffic that is sent through an affected device. An attacker could exploit this vulnerability by sending crafted IPv6 packets that traverse the affected device. A successful exploit could allow the attacker to access resources that would typically be protected by the interface ACL.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

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Cisco NX-OS Software和Cisco IOS XR 安全漏洞

Cisco NX-OS Software和Cisco IOS XR都是美国思科（Cisco）公司的产品。Cisco NX-OS Software是一套交换机使用的数据中心级操作系统软件。Cisco IOS XR是一套为其网络设备开发的操作系统。 Cisco NX-OS Software 和 Cisco IOS XR 中对IPV6流量处理过程中存在安全漏洞。该漏洞是由于通过受影响的设备发送的IPv6流量处理不当造成的。攻击者可以通过发送经过受影响设备的特制IPv6数据包来利用此漏洞。成功的利用可能使攻击者能

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