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Cisco XE: CVE-2019-12653: Cisco IOS XE Software Raw Socket Transport Denial of Service Vulnerability

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Cisco XE: CVE-2019-12653: Cisco IOS XE Software Raw Socket Transport Denial of Service Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
09/25/2019
Created
02/08/2020
Added
02/07/2020
Modified
07/22/2021

Description

A vulnerability in the Raw Socket Transport feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper parsing of Raw Socket Transport payloads. An attacker could exploit this vulnerability by establishing a TCP session and then sending a malicious TCP segment via IPv4 to an affected device. This cannot be exploited via IPv6, as the Raw Socket Transport feature does not support IPv6 as a network layer protocol.

Solution(s)

  • cisco-xe-upgrade-latest

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