Auth bypass in Cisco Secure Network Analytics

CVE-2025-20257

A vulnerability in an API subsystem of Cisco Secure Network Analytics Manager and Cisco Secure Network Analytics Virtual Manager could allow an authenticated, remote attacker with low privileges to generate fraudulent findings that are used to generate alarms and alerts on an affected product. Thi vulnerability is due to insufficient authorization enforcement on a specific API. An attacker could exploit this vulnerability by authenticating as a low-privileged user and performing API calls with crafted input. A successful exploit could allow the attacker to obfuscate legitimate findings in analytics reports or create false indications with alarms and alerts on an affected device.

Vulnerability class: Broken Access Control

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-20257?
CVE-2025-20257 is a medium-severity vulnerability in Cisco Secure Network Analytics, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2025-05-21.
How severe is CVE-2025-20257?
Medium severity. CVSS v3 base score is 6.5 out of 10.