CVE-2025-20157: Cisco Catalyst vManage Certificate Validation Vulnerability

5.9 CVSS

Description

A vulnerability in certificate validation processing of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an unauthenticated, remote attacker to gain access to sensitive information.

This vulnerability is due to improper validation of certificates that are used by the Smart Licensing feature. An attacker with a privileged network position could exploit this vulnerability by intercepting traffic that is sent over the Internet. A successful exploit could allow the attacker to gain access to sensitive information, including credentials used by the device to connect to Cisco cloud services.

Classification

CVE ID: CVE-2025-20157

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.9

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

Problem Types

Improper Certificate Validation

Affected Products

Vendor: Cisco

Product: Cisco Catalyst SD-WAN Manager

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 3.26% (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-2025-20157
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catalyst-tls-PqnD5KEJ

Timeline