Cisco Secure Network Analytics Manager Privilege Escalation Vulnerability

TL;DR 📌

A privilege escalation vulnerability has been identified in Cisco Secure Network Analytics Manager and Cisco Secure Network Analytics Virtual Manager. This flaw allows authenticated attackers with valid administrative credentials to execute arbitrary commands as root on the underlying operating system. Cisco has released software updates to address this issue, but no workarounds are available.

What happened 🕵️‍♂️

A vulnerability in the web-based management interface of Cisco Secure Network Analytics Manager and Cisco Secure Network Analytics Virtual Manager was discovered. This vulnerability stems from insufficient input validation in specific fields, allowing an authenticated attacker to send crafted input and execute arbitrary commands with root privileges on the underlying operating system.

Affected products 🖥️

The following products are affected by this vulnerability:

• Cisco Secure Network Analytics Manager
• Cisco Secure Network Analytics Virtual Manager

No other Cisco products are known to be affected.

Fixed software 🔧

Upgrade to at least the first fixed release in your train (or later):

Workarounds 🧯

There are no workarounds available to mitigate this vulnerability.

Risk in context 🎯

The vulnerability has a CVSS score of 6.5, categorized as MEDIUM severity. This indicates a moderate risk level, primarily affecting systems where administrative credentials are already compromised. Organizations using affected products should prioritize applying the fixed software to mitigate potential exploitation.

Fast facts ⚡

• Vulnerability ID: CVE-2025-20256
• Severity Level: Medium
• CVSS Score: 6.5
• Affected Products: Cisco Secure Network Analytics Manager, Cisco Secure Network Analytics Virtual Manager
• No workarounds available.

For leadership 🧭

Executive summary. An admin account on Secure Network Analytics Manager can be abused to gain full root control of the underlying server, turning a management-plane account compromise into complete system takeover. There’s no workaround, so this should go into the next available patch cycle rather than being deferred indefinitely.

Why it matters:

• The flaw sits in the web-based management interface of Secure Network Analytics Manager and Virtual Manager, a system that likely has broad visibility into network telemetry and flow data across the estate.
• Exploitation requires valid administrative credentials, but once used it hands the attacker root on the underlying operating system, well beyond the intended scope of an admin account.
• No workaround exists, so mitigation depends entirely on applying the fixed software rather than interim configuration changes.
• Root-level compromise of the Manager could let an attacker tamper with collected analytics data, disable monitoring, or pivot into the network it oversees.

Now / Next / Later:

• Now: Identify all Secure Network Analytics Manager and Virtual Manager instances in your environment and confirm which software train each is running.
• Next: Schedule an upgrade to the first fixed release (or later) for each affected train during your next maintenance window, since no workaround is available.
• Later: Tighten control over who holds administrative credentials on Secure Network Analytics Manager and review admin account provisioning and monitoring practices to reduce the impact of any future credential compromise.