CVE-2022-20919

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

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.

Categories

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-cip-dos-9rTbKLt9 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-20919?
CVE-2022-20919 has been scored as a high severity vulnerability.
How to fix CVE-2022-20919?
To fix CVE-2022-20919, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-20919 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-20919 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-20919?
CVE-2022-20919 affects Cisco Cisco IOS.
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