Resource exhaustion in Cisco NX-OS and Cisco MDS 9000 Series Multilayer Switches - CVE-2020-3175
Published: February 27, 2020
Vulnerability identifier: #VU25653
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-3175
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco NX-OS
Cisco MDS 9000 Series Multilayer Switches
Cisco NX-OS
Cisco MDS 9000 Series Multilayer Switches
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource usage control within the resource handling system. A remote attacker send traffic to the management interface (mgmt0) of an affected device at very high rates and cause unexpected behaviors such as high CPU usage, process crashes, or even full system reboots of an affected device.
How to mitigate CVE-2020-3175
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.