Vulnerability in Cisco Catalyst Sd-Wan Manager

CVE-2025-20157

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.

Vulnerability class: Improper Certificate Validation

EPSS: 0.003 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-20157?
CVE-2025-20157 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2025-05-07.
How severe is CVE-2025-20157?
Medium severity. CVSS v3 base score is 5.9 out of 10.