CVE-2025-20257: secure network Auth Bypass — Fix

Description

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.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
cisco	secure_network_analytics	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sna-apiacv-4B6X5ysw

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-20257? +

CVE-2025-20257 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-20257? +

CVE-2025-20257 affects products from cisco, specifically: secure_network_analytics. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-20257? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-20257