CVE-2020-3597: Cisco Nexus Data Broker

Medium severity, CVSS 5.4. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability in the configuration restore feature of Cisco Nexus Data Broker software could allow an unauthenticated, remote attacker to perform a directory traversal attack on an affected device. The vulnerability is due to insufficient validation of configuration backup files. An attacker could exploit this vulnerability by persuading an administrator to restore a crafted configuration backup file. A successful exploit could allow the attacker to overwrite arbitrary files that are accessible through the affected software on an affected device.

Affected products

• Cisco Nexus Data Broker: up to and including 3.9\(0\)

Published 2020-10-08. Last modified 2026-06-17.