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

6.5 CVSS

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.

Classification

CVE ID: CVE-2025-20187

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Problem Types

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Vendor: Cisco

Product: Cisco Catalyst SD-WAN Manager

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.21% (probability of being exploited)

EPSS Percentile: 44.2% (scored less or equal to compared to others)

EPSS Date: 2025-06-04 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-20187
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwanarbfile-2zKhKZwJ

Timeline