CVE-2021-1562 : Vulnerability Insights and Analysis

A vulnerability in the XSI-Actions interface of Cisco BroadWorks Application Server allows an authenticated, remote attacker to access sensitive information on affected systems. This could lead to unauthorized access to Call Center calls. Read on to understand the impact, technical details, and mitigation steps for CVE-2021-1562.

Understanding CVE-2021-1562

This section provides an overview of the vulnerability affecting Cisco BroadWorks Application Server.

What is CVE-2021-1562?

The vulnerability in the XSI-Actions interface of Cisco BroadWorks Application Server allows attackers to exploit improper input validation and authorization, potentially accessing sensitive information and joining unauthorized Call Center calls.

The Impact of CVE-2021-1562

The vulnerability could lead to unauthorized access to Call Center calls by authenticated, remote attackers, compromising the confidentiality of information.

Technical Details of CVE-2021-1562

Learn about the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability is due to improper input validation and authorization of commands in the XSI-Actions interface, enabling attackers to execute specific commands on affected systems.

Affected Systems and Versions

Cisco BroadWorks Application Server with unpatched versions is vulnerable to this exploit.

Exploitation Mechanism

Attackers can authenticate to an affected device and issue specific commands, enabling them to join Call Center instances and access unauthorized calls.

Mitigation and Prevention

Discover the immediate steps to take and long-term security practices to mitigate the risks posed by CVE-2021-1562.

Immediate Steps to Take

Ensure sensitive information is protected, monitor for any unauthorized access, and consider applying firmware patches provided by Cisco.

Long-Term Security Practices

Regularly update Cisco BroadWorks Application Server, implement access controls, and conduct security assessments to prevent future vulnerabilities.

Patching and Updates

Cisco has not released updates addressing this vulnerability at the time of publication; however, firmware patches are available to secure affected systems.