CVE-2021-1283 : Security Advisory and Response

A vulnerability in the logging subsystem of Cisco Data Center Network Manager (DCNM) could allow an authenticated, local attacker to view sensitive information in a system log file that should be restricted.

Understanding CVE-2021-1283

This CVE identifies a security flaw in Cisco Data Center Network Manager that could lead to an information disclosure vulnerability.

What is CVE-2021-1283?

The vulnerability in Cisco DCNM allows an authenticated local attacker to access sensitive information in system log files without proper masking.

The Impact of CVE-2021-1283

Exploiting this vulnerability can result in unauthorized access to restricted information within the system log files, posing a risk to the confidentiality of the data.

Technical Details of CVE-2021-1283

The vulnerability is rated with a CVSS base score of 5.5, indicating a medium severity issue with high confidentiality impact.

Vulnerability Description

Sensitive information is not appropriately masked in system log files, enabling an attacker with valid user credentials to view this data.

Affected Systems and Versions

The vulnerability affects Cisco Data Center Network Manager, with versions marked as 'n/a'.

Exploitation Mechanism

Attackers can exploit this flaw by authenticating to an affected device and inspecting a specific system log file.

Mitigation and Prevention

To protect against CVE-2021-1283, immediate actions and long-term security practices should be implemented.

Immediate Steps to Take

Ensure only authorized personnel have access to sensitive information. Regularly monitor system logs for any unauthorized access.

Long-Term Security Practices

Implement stringent access controls, conduct regular security audits, and educate users on secure practices.

Patching and Updates

Apply security patches and updates provided by Cisco to address this vulnerability.