CVE-2021-1406 Explained : Impact and Mitigation
Discover details about CVE-2021-1406, a vulnerability in Cisco Unified Communications Manager, enabling remote attackers to access sensitive information on affected devices.
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to improper inclusion of sensitive information in downloadable files. Find out more about CVE-2021-1406 below.
Understanding CVE-2021-1406
This section provides insights into the nature of the CVE-2021-1406 vulnerability.
What is CVE-2021-1406?
CVE-2021-1406 is a vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) that enables an authenticated, remote attacker to retrieve sensitive information from the targeted system.
The Impact of CVE-2021-1406
The impact of this vulnerability includes unauthorized access to hashed credentials of system users by exploiting the improper inclusion of sensitive information in downloadable files on an affected device.
Technical Details of CVE-2021-1406
Explore the technical aspects of CVE-2021-1406 in this section.
Vulnerability Description
The vulnerability allows attackers to access sensitive information on the affected device by exploiting improper file inclusion.
Affected Systems and Versions
The vulnerability affects Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition, with all versions being susceptible.
Exploitation Mechanism
Attackers can exploit this vulnerability by authenticating to the affected device and executing a specific set of commands, requiring valid user credentials with elevated privileges.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-1406 in this section.
Immediate Steps to Take
Immediately disable unnecessary credentials, review access controls, and monitor system activity for any suspicious behavior.
Long-Term Security Practices
Implement regular security audits, provide security awareness training, and enforce the principle of least privilege to enhance overall system security.
Patching and Updates
Apply security patches released by Cisco to address the CVE-2021-1406 vulnerability.