CVE-2019-1621 Explained : Impact and Mitigation

Cisco Data Center Network Manager Arbitrary File Download Vulnerability

Understanding CVE-2019-1621

This CVE involves a vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) that could allow unauthorized access to sensitive files on affected devices.

What is CVE-2019-1621?

The vulnerability in Cisco DCNM allows attackers to access sensitive files on a device without authentication due to incorrect permission configurations in the software.

The Impact of CVE-2019-1621

The vulnerability has a CVSS base score of 7.5, indicating a high severity level with a high impact on confidentiality.

Technical Details of CVE-2019-1621

The following technical details provide insight into the vulnerability:

Vulnerability Description

Attackers can exploit incorrect permission settings in Cisco DCNM to access sensitive files without authentication.

Affected Systems and Versions

Product: Cisco Data Center Network Manager
Vendor: Cisco
Versions Affected: Less than 11.2(1) (unspecified custom version)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Exploitation can occur by connecting to the web-based management interface and requesting specific URLs.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-1621 vulnerability:

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the management interface to authorized personnel only.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security audits and assessments periodically.
Educate users and administrators on best security practices.

Patching and Updates

Cisco has released patches to address the vulnerability. Ensure timely installation of these patches to mitigate the risk of exploitation.