PT-2021-17440 · Mitel · Mitel Micollab Web Client

Published 2021-08-13 · Updated 2021-08-23 · CVE-2021-27401

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mitel MiCollab Web Client versions prior to 9.2 FP2

Description The issue allows an attacker to access, view, and modify user data by executing arbitrary code due to insufficient input validation, also known as Cross-Site Scripting (XSS). This affects the Join Meeting page of the Mitel MiCollab Web Client.

Recommendations For versions prior to 9.2 FP2, update to version 9.2 FP2 or later to resolve the issue. As a temporary workaround, consider restricting access to the Join Meeting page until the update is applied.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-27401

Affected Products

Mitel Micollab Web Client

References · 5

• https://osv.dev/vulnerability/CVE-2021-27401 · Vendor Advisory
• https://mitel.com/support/security-advisories/mitel-product-security-advisory-21-0004 · Vendor Advisory
• https://mitel.com/support/security-advisories · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27401 · Security Note
• https://t.me/cvenotify/19928 · Telegram Post