CVE-2025-20187: Cisco Catalyst SD-WAN Manager

Medium severity, CVSS 6.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system. This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected system. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the affected system.

Affected products

• Cisco Catalyst SD-WAN Manager: version 17.2.4 only; version 17.2.5 only; version 17.2.6 only; version 17.2.7 only; version 17.2.8 only; version 17.2.9 only; …

Published 2025-05-07. Last modified 2026-06-17.