CVE-2025-20256: secure network Injection — Fix

Description

A vulnerability in the web-based management interface of Cisco Secure Network Analytics Manager and Cisco Secure Network Analytics Virtual Manager could allow an authenticated, remote attacker with valid administrative credentials to execute arbitrary commands as root on the underlying operating system. This vulnerability is due to insufficient input validation in specific fields of the web-based management interface. An attacker with valid administrative credentials could exploit this vulnerability by sending crafted input to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. 

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-74 CWE-74

Affected Products

Vendor	Product	Versions
cisco	secure_network_analytics	All
cisco	secure_network_analytics	All
cisco	secure_network_analytics	All
cisco	secure_network_analytics	All
cisco	secure_network_analytics	All

References

Advisories & Patches

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sna-ssti-dPuLqSmZ

Frequently Asked Questions

What is CVE-2025-20256? +

A vulnerability in the web-based management interface of Cisco Secure Network Analytics Manager and Cisco Secure Network Analytics Virtual Manager could allow an authenticated, remote attacker with valid administrative credentials to execute arbitrary commands as root on the underlying operating system. This vulnerability is due to insufficient input validation in specific fields of the web-based management interface. An attacker with valid administrative credentials could exploit this vulnerability by sending crafted input to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.  It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-20256? +

CVE-2025-20256 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-2025-20256? +

CVE-2025-20256 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-2025-20256? +

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-2025-20256