What is the CVSS score of CVE-2025-20257?

CVE-2025-20257 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.2%.

Which versions of Secure Network Analytics are affected by CVE-2025-20257?

CVE-2025-20257 presents notable security risk, a incorrect authorization vulnerability rated CVSS 6.5. Attackers could gain access beyond their authorized level.

How to fix or mitigate CVE-2025-20257?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Secure Network Analytics CVE-2025-20257

MEDIUM

Incorrect Authorization (CWE-863)

2025-05-21 psirt@cisco.com

Authentication Bypass Cisco Secure Network Analytics

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

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 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.

AnalysisAI

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

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. 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. Affected products include: Cisco Secure Network Analytics.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.