CVE-2020-3520 : What You Need to Know

A vulnerability in Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, local attacker to obtain confidential information from an affected device.

Understanding CVE-2020-3520

This CVE involves an information disclosure vulnerability in Cisco Data Center Network Manager (DCNM) Software.

What is CVE-2020-3520?

The vulnerability allows an authenticated, local attacker to access sensitive information on an affected device due to insufficient protection of confidential data.

The Impact of CVE-2020-3520

Attackers can extract sensitive information from local filesystems, potentially leading to privilege escalation.
Confidentiality impact is high, with a CVSS base score of 5.5 (Medium severity).

Technical Details of CVE-2020-3520

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The flaw in Cisco DCNM Software enables attackers to view and extract sensitive data from affected devices.

Affected Systems and Versions

Product: Cisco Data Center Network Manager
Vendor: Cisco
Versions: Not applicable

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Scope: Unchanged

Mitigation and Prevention

Protecting systems from CVE-2020-3520 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-released patches or updates promptly.
Monitor network traffic for any suspicious activities.
Restrict access to sensitive information on affected devices.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Stay informed about security advisories from Cisco and apply relevant patches.