CVE-2019-1746: Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2019-1746?
CVE-2019-1746 has a CVSS base score of 7.5, indicating it is a high severity vulnerability.
How do I fix CVE-2019-1746?
To remediate CVE-2019-1746, upgrade your Cisco IOS Software or Cisco IOS XE Software to a version that is not vulnerable.
Who is affected by CVE-2019-1746?
CVE-2019-1746 affects various versions of Cisco IOS Software and Cisco IOS XE Software.
What type of attack does CVE-2019-1746 enable?
CVE-2019-1746 allows unauthenticated adjacent attackers to perform denial of service (DoS) attacks.
Is CVE-2019-1746 being actively exploited?
There are currently no reports indicating that CVE-2019-1746 is being actively exploited in the wild.