What is the CVSS score of CVE-2025-20256?

CVE-2025-20256 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.2%.

Which versions of Secure Network Analytics are affected by CVE-2025-20256?

CVE-2025-20256 presents notable security risk, a injection vulnerability rated CVSS 6.5. Exploitation could allow attackers to execute code or inject malicious input.

How to fix or mitigate CVE-2025-20256?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Secure Network Analytics CVE-2025-20256

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2025-05-21 psirt@cisco.com

Information Disclosure Cisco Secure Network Analytics

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:43 vuln.today

CVE Published

May 21, 2025 - 17:15 nvd

MEDIUM 6.5

DescriptionCVE.org

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. 

AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-74. 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.  Affected products include: Cisco Secure Network Analytics.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.