CVE-2022-20919 HIGH

CVE-2022-20919: Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnerability

Vendor Cisco
Product Cisco IOS
Weakness CWE-248
Published September 30, 2022
Last update November 1, 2024

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.

Key dates

02Disclosure timeline

September 30, 2022 CVE published
November 1, 2024 Record updated