PT-2021-19493 · Mitel · Mitel Businesscti Enterprise Client

Published 2021-01-29 · Updated 2021-02-05 · CVE-2021-3176

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mitel BusinessCTI Enterprise (MBC-E) Client for Windows versions prior to 6.4.15 Mitel BusinessCTI Enterprise (MBC-E) Client for Windows versions 7.x prior to 7.1.2

Description The issue is related to improper input validation of http links in the chat window, which could allow an attacker to gain access to user information by sending certain code. A successful exploit could allow an attacker to view user information and application data.

Recommendations For versions prior to 6.4.15, update to version 6.4.15 or later. For versions 7.x prior to 7.1.2, update to version 7.1.2 or later.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-3176

Affected Products

Mitel Businesscti Enterprise Client

References · 6

• https://mitel.com/support/security-advisories/mitel-product-security-advisory-21-0001 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3176 · Security Note
• https://mitel.com/support/security-advisories · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3176 · Vendor Advisory
• https://t.me/cvenotify/9089 · Telegram Post
• https://t.me/cvenotify/9114 · Telegram Post