CVE-2021-37145 : What You Need to Know

A command-injection vulnerability in an authenticated Telnet connection in Poly (formerly Polycom) CX5500 and CX5100 1.3.5 leads an attacker to Privilege Escalation and Remote Code Execution capability. This vulnerability impacts products that are no longer supported by the maintainer.

Understanding CVE-2021-37145

This section will dive into the details of CVE-2021-37145, including its impact, technical aspects, and mitigation strategies.

What is CVE-2021-37145?

CVE-2021-37145 is a command-injection vulnerability found in an authenticated Telnet connection in Poly (formerly Polycom) CX5500 and CX5100 1.3.5. It allows an attacker to achieve Privilege Escalation and Remote Code Execution.

The Impact of CVE-2021-37145

The vulnerability presents a significant risk as it enables attackers to escalate their privileges and remotely execute malicious code on affected systems, compromising their security and integrity.

Technical Details of CVE-2021-37145

Let's explore the technical specifics of CVE-2021-37145, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a flaw in the Telnet connection authentication process in Poly CX5500 and CX5100 1.3.5, allowing malicious actors to inject and execute unauthorized commands.

Affected Systems and Versions

Poly CX5500 and CX5100 1.3.5 are confirmed to be impacted by CVE-2021-37145. Users of these unsupported products are urged to take immediate action.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the authenticated Telnet connection to execute arbitrary commands, leading to Privilege Escalation and Remote Code Execution.

Mitigation and Prevention

Here, we outline essential steps to mitigate the risks posed by CVE-2021-37145 and prevent potential security breaches.

Immediate Steps to Take

Users of Poly CX5500 and CX5100 1.3.5 should cease using Telnet connections and implement additional security measures to protect their systems from exploitation.

Long-Term Security Practices

Adopting secure communication protocols, regular security audits, and monitoring for unusual activities can enhance the overall security posture and prevent similar vulnerabilities.

Patching and Updates

While the affected products are no longer supported, users should explore alternative solutions or reach out to the vendor for possible patches or workarounds to address the vulnerability.