Vulnerability · Published Feb 26, 2020 · Assigned by cisco

CVE-2020-3175Cisco MDS 9000 Series Multilayer Switches Denial of Service Vulnerability

High 8.6

In plain English

A high-severity security flaw in Cisco NX-OS Software 5.0(1a) from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 80% of all known vulnerabilities).

Severity (CVSS 3.0)8.6High

Exploit odds (30 days)2.0%top 19.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
Cisco	Cisco NX-OS Software 5.0(1a)	unspecified – before n/a

Weakness: CWE-664 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

20200226 Cisco MDS 9000 Series Multilayer Switches Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO