Resource exhaustion in Cisco NX-OS and Cisco MDS 9000 Series Multilayer Switches - CVE-2020-3175

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Main Vulnerability Database Vulnerabilities #VU25653

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: 8.7 [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]
CVE-ID: CVE-2020-3175
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Cisco NX-OS
Cisco MDS 9000 Series Multilayer Switches

How to mitigate CVE-2020-3175

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

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