CVE-2020-3376 Explained : Impact and Mitigation

A vulnerability in the Device Manager application of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions on an affected device.

Understanding CVE-2020-3376

This CVE involves an authentication bypass vulnerability in Cisco Data Center Network Manager (DCNM).

What is CVE-2020-3376?

The vulnerability in Cisco DCNM allows unauthorized remote attackers to bypass authentication and perform unauthorized actions on the system.

The Impact of CVE-2020-3376

The vulnerability poses a high severity risk with a CVSS base score of 7.3. If exploited, attackers can interact with and use certain functions within the Cisco DCNM.

Technical Details of CVE-2020-3376

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is a result of the software failing to perform proper authentication, enabling attackers to exploit it by accessing hosted URLs in Cisco DCNM.

Affected Systems and Versions

Product: Cisco Data Center Network Manager
Vendor: Cisco
Affected Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by browsing to specific URLs in Cisco DCNM, allowing them to execute arbitrary actions.

Mitigation and Prevention

Protecting systems from CVE-2020-3376 is crucial to prevent unauthorized access and potential harm.

Immediate Steps to Take

Apply patches or updates provided by Cisco promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the affected system.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement strong authentication mechanisms.
Conduct security audits and assessments periodically.

Patching and Updates

Ensure that the latest security patches and updates from Cisco are applied to mitigate the vulnerability effectively.