CWE
20
Advisory Published

cisco-sa-sxp-68TEVzR: Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Service Vulnerability

First published: Wed Jun 03 2020(Updated: )

A vulnerability in Security Group Tag Exchange Protocol (SXP) in Cisco IOS Software, Cisco IOS XE Software, and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because crafted SXP packets are mishandled. An attacker could exploit this vulnerability by sending specifically crafted SXP packets to the affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sxp-68TEVzR

Credit: FSTEC (https://fstec.ru/en).

Affected SoftwareAffected VersionHow to fix
Cisco IOS
Cisco IOS XE Software
Cisco NX-OS

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Child vulnerabilities

(Contains the following vulnerabilities)

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