As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20326 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0058.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco Nexus Dashboard unknown
Version Status Constraints
2.1(1d) affected —
2.1(1e) affected —
2.1(2d) affected —
2.2(1h) affected —
2.2(1e) affected —
2.2(2d) affected —
2.1(2f) affected —
2.3(1c) affected —
2.3(2b) affected —
2.3(2c) affected —
2.3(2d) affected —
2.3(2e) affected —
3.0(1f) affected —
3.0(1i) affected —
3.1(1k) affected —
3.1(1l) affected —
3.2(1e) affected —
3.2(1i) affected —
3.3(1a) affected —
3.3(1b) affected —
3.3(2b) affected —
4.0(1i) affected —
3.3(2g) affected —
3.2(2f) affected —
3.2(2g) affected —
3.2(2m) affected —
3.1(1n) affected —
4.1(1g) affected —
4.2.1 affected —

No data.

No data.

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Vendors Products
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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ndw1-psFvnrg cve-icon cve-icon
History

Fri, 18 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco nexus Dashboard
Vendors & Products Cisco
Cisco nexus Dashboard

Fri, 18 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 16 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20326 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.
Title Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authentication for Critical Function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-09-18T13:41:17.102Z

Reserved: 2025-10-08T11:59:15.411Z

Link: CVE-2026-20326

cve-icon Vulnrichment

Updated: 2026-09-18T13:32:52.509Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-16T20:17:23.480

Modified: 2026-09-18T14:17:16.487

Link: CVE-2026-20326

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T21:45:14Z

Weaknesses