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CVE-2020-3386

8.8 · HIGH

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 o…

Published Jul 31, 2020CWE-285EPSS 2.04%

Overview

CVE-2020-3386 is a high-severity vulnerability. It was published on July 31, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-improper-auth-7Krd9TDTReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-improper-auth-7Krd9TDT

How CyberStrike helps

Frequently asked questions

What is CVE-2020-3386?

CVE-2020-3386 is a high-severity vulnerability. It was published on July 31, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2020-3386?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-3386?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-3386?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-3386 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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