CVE-2020-13617 : Vulnerability Insights and Analysis

Mitel MiVoice 6800 and 6900 series SIP Phones with firmware before 5.1.0.SP5 are vulnerable to exposing sensitive information due to improper memory handling during failed login attempts.

Understanding CVE-2020-13617

The vulnerability in Mitel MiVoice SIP Phones could allow unauthenticated attackers to access sensitive data through the Web UI component.

What is CVE-2020-13617?

The Web UI component of Mitel MiVoice 6800 and 6900 series SIP Phones with firmware before 5.1.0.SP5 could allow an unauthenticated attacker to expose sensitive information due to improper memory handling during failed login attempts.

The Impact of CVE-2020-13617

Unauthenticated attackers can access sensitive information on affected devices.
Improper memory handling during failed login attempts poses a security risk.

Technical Details of CVE-2020-13617

Mitel MiVoice SIP Phones are susceptible to a security flaw that could compromise data security.

Vulnerability Description

The vulnerability arises from improper memory handling during failed login attempts on Mitel MiVoice 6800 and 6900 series SIP Phones.

Affected Systems and Versions

Product: Mitel MiVoice 6800 and 6900 series SIP Phones
Firmware Version: Before 5.1.0.SP5

Exploitation Mechanism

Attackers can exploit this vulnerability by initiating failed login attempts to trigger improper memory handling and gain unauthorized access to sensitive information.

Mitigation and Prevention

Mitigate the CVE-2020-13617 vulnerability to enhance the security of Mitel MiVoice SIP Phones.

Immediate Steps to Take

Update firmware to version 5.1.0.SP5 or later to address the vulnerability.
Monitor and restrict access to the Web UI component to prevent unauthorized entry.

Long-Term Security Practices

Regularly update firmware and security patches to protect against known vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access to sensitive data.

Patching and Updates

Stay informed about security advisories from Mitel and apply patches promptly to secure the SIP Phones.