Cisco Nexus Dashboard up to 4.2.1 information disclosure

Summaryinfo

A vulnerability was found in Cisco Nexus Dashboard. It has been classified as problematic. Affected is an unknown function. The manipulation leads to information disclosure. This vulnerability is traded as CVE-2026-20360. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco Nexus Dashboard and classified as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

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-2026-20360 are related to information exposure and insecure handling issues that are grouped under the Common Weakness Enumeration (CWE) CWE-200.

The advisory is shared at sec.cloudapps.cisco.com. The identification of this vulnerability is CVE-2026-20360 since 10/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/16/2026). MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Forum Software

Vendor

• Cisco

Name

• Nexus Dashboard

Version

• 2.1(1d)
• 2.1(1e)
• 2.1(2d)
• 2.1(2f)
• 2.2(1e)
• 2.2(1h)
• 2.2(2d)
• 2.3(1c)
• 2.3(2b)
• 2.3(2c)
• 2.3(2d)
• 2.3(2e)
• 3.0(1f)
• 3.0(1i)
• 3.1(1k)
• 3.1(1l)
• 3.1(1n)
• 3.2(1e)
• 3.2(1i)
• 3.2(2f)
• 3.2(2g)
• 3.2(2m)
• 3.3(1a)
• 3.3(1b)
• 3.3(2b)
• 3.3(2g)
• 4.0(1i)
• 4.1(1g)
• 4.2.1

License

• commercial

Website

• Vendor: https://www.cisco.com/

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