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CVE-2021-1562

4.3 · MEDIUM
Published Jul 8, 2021 cisco CWE-200 EPSS 0.87% (56th pctl)

Overview

CVE-2021-1562 is a medium-severity vulnerability affecting cisco broadworks_application_server. It was published on July 8, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

A vulnerability in the XSI-Actions interface of Cisco BroadWorks Application Server could allow an authenticated, remote attacker to access sensitive information on an affected system. This vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the XSI-Actions interface. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to join a Call Center instance and have calls that they do not have permissions to access distributed to them from the Call Center queue. At the time of publication, Cisco had not released updates that address this vulnerability for Cisco BroadWorks Application Server. However, firmware patches are available.

Remediation

Check the references section for vendor advisories and patches from cisco. Update broadworks_application_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
cisco broadworks_application_server >= 22.0, < 22.0.2020.08 Affected

Frequently Asked Questions

What is CVE-2021-1562?

CVE-2021-1562 is a medium-severity vulnerability affecting cisco broadworks_application_server. It was published on July 8, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2021-1562?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-1562?

Check the references section for vendor advisories and patches from cisco. Update broadworks_application_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-1562?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-1562 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.