CVE-2020-3197 : Vulnerability Insights and Analysis

A vulnerability in the API subsystem of Cisco Meetings App could allow an unauthenticated, remote attacker to retain and reuse the Traversal Using Relay NAT (TURN) server credentials that are configured in an affected system.

Understanding CVE-2020-3197

This CVE involves a security vulnerability in Cisco Meetings App that could potentially be exploited by remote attackers.

What is CVE-2020-3197?

The vulnerability in the API subsystem of Cisco Meetings App allows attackers to intercept legitimate traffic and obtain TURN server credentials, potentially enabling them to place audio/video calls and forward packets through the TURN server.

The Impact of CVE-2020-3197

CVSS Base Score: 4.3 (Medium Severity)
Attack Vector: Network
Attack Complexity: Low
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Technical Details of CVE-2020-3197

This section provides more detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is a result of insufficient protection mechanisms for the TURN server credentials in the affected system.

Affected Systems and Versions

Affected Product: Cisco Meeting App
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by intercepting legitimate traffic generated by the affected system to obtain TURN server credentials.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Monitor for any unusual activity related to TURN server credentials.
Implement network segmentation to limit access to sensitive systems.
Apply the latest security patches and updates from Cisco.

Long-Term Security Practices

Regularly review and update security configurations.
Conduct security training and awareness programs for employees.
Implement multi-factor authentication for enhanced security.

Patching and Updates

Ensure that the affected systems are updated with the latest patches provided by Cisco.