Vulnerability Information
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Vulnerability Title
Cisco IOS and IOS XE Software MP-BGP EVPN Denial of Service Vulnerability
Vulnerability Description
A vulnerability in the implementation of Multiprotocol Border Gateway Protocol (MP-BGP) for the Layer 2 VPN (L2VPN) Ethernet VPN (EVPN) address family in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of Border Gateway Protocol (BGP) update messages that contain crafted EVPN attributes. An attacker could exploit this vulnerability by sending BGP update messages with specific, malformed attributes to an affected device. A successful exploit could allow the attacker to cause an affected device to crash, resulting in a DoS condition.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H
Vulnerability Type
输入验证不恰当
Vulnerability Title
Cisco IOS和IOS XE 输入验证错误漏洞
Vulnerability Description
Cisco IOS和IOS XE都是美国思科（Cisco）公司的产品。CLI是其中的一个命令行界面。 Cisco IOS 和Cisco IOS XE的MP-BGP存在安全漏洞，该漏洞源于对包含精心设计的EVPN属性的边界网关协议（BGP）更新消息的处理不当所致。攻击者可利用该漏洞将具有特定格式错误的属性的BGP更新消息发送到受影响的设备。
CVSS Information
N/A
Vulnerability Type
N/A