CVE-2025-20187 Cisco SD-WAN Manager Software Arbitrary File Creation Vulnerability

Medium 6.5 Published 7 May 2025 Updated 7 May 2025

Authenticated attackers can exploit improper API validation to perform directory traversal and write arbitrary files to the system.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-20187?

CVE-2025-20187 is a medium-severity path traversal vulnerability in Cisco Catalyst Sd-Wan Manager, published on 7 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-22

Which versions are affected by CVE-2025-20187?

It affects 1 product.

Products include Cisco Catalyst Sd-Wan Manager.

How do I fix CVE-2025-20187?

No fix has been published for CVE-2025-20187 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-20187 being exploited?

There is no known exploitation of CVE-2025-20187 in the wild and no public exploit code.

All Cisco Catalyst Sd-Wan Manager vulnerabilities

Sources

Also known as GHSA-f6m6-q8c2-48mm.