CVE-2017-3821 Explained : Impact and Mitigation

Cisco Unified Communications Manager is susceptible to a reflected cross-site scripting (XSS) vulnerability that could be exploited by an unauthenticated, remote attacker. This CVE entry provides details on the affected versions and recommended fixes.

Understanding CVE-2017-3821

This section delves into the specifics of the vulnerability and its implications.

What is CVE-2017-3821?

CVE-2017-3821 is a cross-site scripting vulnerability found in the serviceability page of Cisco Unified Communications Manager. It allows attackers to execute XSS attacks.

The Impact of CVE-2017-3821

The vulnerability enables unauthenticated remote attackers to conduct reflected XSS attacks on the affected system, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2017-3821

Explore the technical aspects of the CVE entry.

Vulnerability Description

The weakness in the serviceability page of Cisco Unified Communications Manager permits attackers to exploit reflected cross-site scripting (XSS) vulnerabilities.

Affected Systems and Versions

Product: Cisco Unified Communications Manager
Vulnerable Version: 10.5(2.14076.1)

Exploitation Mechanism

Attackers can leverage the vulnerability in the serviceability page to execute reflected cross-site scripting (XSS) attacks, compromising system integrity.

Mitigation and Prevention

Learn how to address and prevent the CVE-2017-3821 vulnerability.

Immediate Steps to Take

Update affected systems to the fixed releases: 12.0(0.98000.209), 12.0(0.98000.478), and 12.0(0.98000.609)

Long-Term Security Practices

Regularly monitor and patch systems to prevent security vulnerabilities
Implement network segmentation and access controls to limit attack surfaces

Patching and Updates

Apply security patches and updates provided by Cisco to mitigate the CVE-2017-3821 vulnerability