CVE-2022-20919

Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnerability

State: Published
Severity: 8.6 High
Published: Sep 30, 2022
Updated: Nov 1, 2024
Reserved: Nov 2, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.6 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	cisco

Weaknesses

CWE-248

Affected Products

Product	Versions
Cisco IOSCisco	n/aAffected

References

20220928 Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnerabilityvendor-advisory

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