CVE-2020-12456 Information

Description

A remote code execution vulnerability in Mitel MiVoice Connect Client before 214.100.1223.0 could allow an attacker to execute arbitrary code in the chat notification window due to improper rendering of chat messages. A successful exploit could allow an attacker to steal session cookies perform directory traversal and execute arbitrary scripts in the context of the Connect client.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.mitel.com/support/security-advisories https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0006

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8