CVE-2018-0475

Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability

Description

A vulnerability in the implementation of the cluster feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation when handling Cluster Management Protocol (CMP) messages. An attacker could exploit this vulnerability by sending a malicious CMP message to an affected device. A successful exploit could allow the attacker to cause the switch to crash and reload or to hang, resulting in a DoS condition. If the switch hangs it will not reboot automatically, and it will need to be power cycled manually to recover.

Category

7.4
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS Software
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/105404 third party advisory vdb entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-cmp vendor advisory
http://www.securitytracker.com/id/1041737 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2018-0475?
CVE-2018-0475 has been scored as a high severity vulnerability.
How to fix CVE-2018-0475?
To fix CVE-2018-0475, 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-2018-0475 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0475 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-2018-0475?
CVE-2018-0475 affects Cisco Cisco IOS Software.
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