CVE-2020-3228

Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Service Vulnerability

State: Published
Severity: 6.8 Medium
Published: Jun 3, 2020
Updated: Nov 15, 2024
Reserved: Dec 12, 2019

Description

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.

Scores

CVSS	Score	Vector	Source
3.0	6.8 Medium	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H	cisco

Weaknesses

CWE-20

Affected Products

Product	Versions
Cisco IOS 15.3(2)TCisco	n/aAffected

References

20200603 Cisco IOS, IOS XE, and NX-OS Software Security Group Tag Exchange Protocol Denial of Service Vulnerabilityvendor-advisory

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