VULNERABILITY INTELLIGENCE

CVE-2020-12456

CVSS score8.8 HIGH
EPSS probability3.06%
CISA KEVNot currently listed
Published2020-08-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-22

Primary references