Cisco Data Center Network Manager REST API Endpoint improper authorization

Summaryinfo

A vulnerability identified as critical has been detected in Cisco Data Center Network Manager. The affected element is an unknown function of the component REST API Endpoint. Performing a manipulation results in improper authorization. This vulnerability is identified as CVE-2020-3386. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Data Center Network Manager (affected version not known). This affects some unknown functionality of the component REST API Endpoint. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the REST API endpoint of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker with a low-privileged account to bypass authorization on the API of an affected device. The vulnerability is due to insufficient authorization of certain API functions. An attacker could exploit this vulnerability by sending a crafted request to the API using low-privileged credentials. A successful exploit could allow the attacker to perform arbitrary actions through the REST API with administrative privileges.

The weakness was released 07/31/2020 as cisco-sa-dcnm-improper-auth-7K as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2020-3386 since 12/12/2019. It is possible to initiate the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-159234, VDB-159233, VDB-159232 and VDB-159230. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Network Management Software

Vendor

• Cisco

Name

• Data Center Network Manager

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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