Cisco Data Center Network Manager up to 12.2.3 REST API Endpoint protection mechanism

Summaryinfo

A vulnerability described as critical has been identified in Cisco Data Center Network Manager. The impacted element is an unknown function of the component REST API Endpoint. Executing a manipulation can lead to protection mechanism. This vulnerability is tracked as CVE-2025-20347. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Cisco Data Center Network Manager and classified as critical. This vulnerability affects an unknown code block of the component REST API Endpoint. The manipulation with an unknown input leads to a protection mechanism vulnerability. The CWE definition for the vulnerability is CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the REST API endpoints of Cisco Nexus Dashboard and Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an authenticated, low-privileged, remote attacker to view sensitive information or upload and modify files on an affected device. This vulnerability exists because of missing authorization controls on some REST API endpoints. An attacker could exploit th vulnerability by sending crafted API requests to an affected endpoint. A successful exploit could allow the attacker to perform limited Administrator functions, such as accessing sensitive information regarding HTTP Proxy and NTP configurations, uploading images, and damaging image files on an affected device.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2025-20347 since 10/10/2024. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/08/2025).

The vulnerability scanner Nessus provides a plugin with the ID 261467 (Cisco Nexus Dashboard < 4.1(1g) Multiple Vulnerabilities (cisco-sa-nshs-urapi-gJuBVFpu)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (261467). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Network Management Software

Vendor

• Cisco

Name

• Data Center Network Manager

Version

• 7.0(1)
• 7.0(2)
• 7.1(1)
• 7.1(2)
• 7.2(1)
• 7.2(2)
• 7.2(2a)
• 7.2(3)
• 10.0(1)
• 10.1(1)
• 10.1(2)
• 10.2(1)
• 10.3(1)
• 10.3(1)R(1)
• 10.3(2)IPFM
• 10.4(1)
• 10.4(2)
• 11.0(1)
• 11.1(1)
• 11.2(1)
• 11.3(1)
• 11.4(1)
• 11.5(1)
• 11.5(2)
• 11.5(3)
• 11.5(3a)
• 11.5(4)
• 12.0.1a
• 12.0.2d
• 12.0.2f
• 12.1(1)
• 12.1.1
• 12.1.1e
• 12.1.1p
• 12.1.2e
• 12.1.2p
• 12.1.3b
• 12.2.1
• 12.2.2
• 12.2.3

License

• commercial

Website

• Vendor: https://www.cisco.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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