CVE-2019-1807 : Vulnerability Insights and Analysis

A security flaw in the session management feature of the web UI for the Cisco Umbrella Dashboard could allow a remote attacker to gain unauthorized access.

Understanding CVE-2019-1807

This CVE involves a vulnerability in the Cisco Umbrella Dashboard that could be exploited by an authenticated attacker to access the Dashboard through an active user session.

What is CVE-2019-1807?

The vulnerability arises from the application's failure to invalidate an existing session when a user authenticates to the application and modifies their credentials using another authenticated session.

The Impact of CVE-2019-1807

CVSS Base Score: 7.6 (High Severity)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: Low
User Interaction: Required
Privileges Required: Low
Scope: Unchanged
This vulnerability has a high severity rating due to its potential impact on confidentiality and integrity.

Technical Details of CVE-2019-1807

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The flaw allows a remote attacker, already authenticated, to access the Dashboard through an active user session.

Affected Systems and Versions

Product: Cisco Umbrella
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

To exploit this flaw, an attacker needs a separate authenticated session to connect to the application via the web UI.

Mitigation and Prevention

Steps to address and prevent exploitation of this vulnerability:

Immediate Steps to Take

Ensure the Cisco Umbrella Dashboard is updated to the patched version.
Monitor for any unauthorized access or unusual activities on the Dashboard.

Long-Term Security Practices

Regularly review and update session management mechanisms.
Conduct security training to educate users on safe practices.

Patching and Updates

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