CVE-2019-1746

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

Description

A vulnerability in the Cluster Management Protocol (CMP) processing code in 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 insufficient input validation when processing CMP management packets. An attacker could exploit this vulnerability by sending malicious CMP management packets to an affected device. A successful exploit could cause the switch to crash, resulting in a DoS condition. The switch will reload automatically.

Category

7.4
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS and IOS XE Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-cmp-dos patch vendor advisory
http://www.securityfocus.com/bid/107612 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-1746?
CVE-2019-1746 has been scored as a high severity vulnerability.
How to fix CVE-2019-1746?
To fix CVE-2019-1746, 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-2019-1746 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1746 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-2019-1746?
CVE-2019-1746 affects Cisco Cisco IOS and IOS XE Software.
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