How does CVE-2020-27154 affect Mitel BusinessCTI Enterprise?

CVE-2020-27154 affects Mitel BusinessCTI Enterprise versions before 6.4.11 and 7.x before 7.0.3 on Windows by allowing an attacker to gain access to user information.

What is the severity of CVE-2020-27154?

CVE-2020-27154 has a severity rating of 8.8 (high).

How can I fix CVE-2020-27154?

To fix CVE-2020-27154, update Mitel BusinessCTI Enterprise to version 6.4.11 or higher, or version 7.0.3 or higher on Windows.

Where can I find more information about CVE-2020-27154?

More information about CVE-2020-27154 can be found at the following reference: [https://www.mitel.com/support/security-advisories](https://www.mitel.com/support/security-advisories)

Vulnerability/
CVE-2020-27154

high

8.8

CWE

18/12/2020

4/8/2024

CVE-2020-27154: Input Validation

Q: What is CVE-2020-27154?

CVE-2020-27154 is a vulnerability in the chat window of Mitel BusinessCTI Enterprise (MBC-E) Client for Windows before 6.4.11 and 7.x before 7.0.3 that allows an attacker to gain access to user information by sending arbitrary code.

First published: Fri Dec 18 2020(Updated: )

The chat window of Mitel BusinessCTI Enterprise (MBC-E) Client for Windows before 6.4.11 and 7.x before 7.0.3 could allow an attacker to gain access to user information by sending arbitrary code, due to improper input validation. A successful exploit could allow an attacker to view the user information and application data.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Mitel Businesscti Enterprise	<6.4.11
Mitel Businesscti Enterprise	>=7.0.0<7.0.3

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Reference Links

https://www.mitel.com/support/security-advisories

Frequently Asked Questions

What is CVE-2020-27154?
CVE-2020-27154 is a vulnerability in the chat window of Mitel BusinessCTI Enterprise (MBC-E) Client for Windows before 6.4.11 and 7.x before 7.0.3 that allows an attacker to gain access to user information by sending arbitrary code.
How does CVE-2020-27154 affect Mitel BusinessCTI Enterprise?
CVE-2020-27154 affects Mitel BusinessCTI Enterprise versions before 6.4.11 and 7.x before 7.0.3 on Windows by allowing an attacker to gain access to user information.
What is the severity of CVE-2020-27154?
CVE-2020-27154 has a severity rating of 8.8 (high).
How can I fix CVE-2020-27154?
To fix CVE-2020-27154, update Mitel BusinessCTI Enterprise to version 6.4.11 or higher, or version 7.0.3 or higher on Windows.
Where can I find more information about CVE-2020-27154?
More information about CVE-2020-27154 can be found at the following reference: [https://www.mitel.com/support/security-advisories](https://www.mitel.com/support/security-advisories)

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version/mitel businesscti enterprise/7.0.0

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