CVE-2020-3175

Cisco MDS 9000 Series Multilayer Switches Denial of Service Vulnerability

HIGH

8.6

CVSS Score

Published: February 26, 2020 at 04:50 PM UTC

Updated: June 17, 2026 at 03:17 AM UTC

14 products affected across 1 vendorNx OSMds 9710Mds 9706

Using Cisco NX-OS Software 5.0(1a) by Cisco?

Get instant alerts when new vulnerabilities affect Cisco NX-OS Software 5.0(1a) - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH8.6

Exploit prediction

EPSS 2%

SSVC

No known exploit

Description

A vulnerability in the resource handling system of Cisco NX-OS Software for Cisco MDS 9000 Series Multilayer Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper resource usage control. An attacker could exploit this vulnerability by sending traffic to the management interface (mgmt0) of an affected device at very high rates. An exploit could allow the attacker to cause unexpected behaviors such as high CPU usage, process crashes, or even full system reboots of an affected device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nx OS · Cisconpm

95%

6.2(1)

cisco-mds-9132t (environment) · cisco-mds-9148s (environment) · cisco-mds-9148t (environment) · cisco-mds-9216 (environment) · cisco-mds-9216a (environment) · cisco-mds-9216i (environment) · cisco-mds-9222i (environment) · cisco-mds-9506 (environment) · cisco-mds-9509 (environment) · cisco-mds-9513 (environment) · cisco-mds-9706 (environment) · cisco-mds-9710 (environment) · cisco-mds-9718 (environment)

Mds 9132T · Ciscodevice

80%

All versions

Mds 9148S · Ciscodevice

80%

All versions

Mds 9148T · Ciscodevice

80%

All versions

Mds 9216 · Ciscodevice

80%

All versions