March 25, 2022 · Applied Cybernetics Group
CVE-2022-26143 — Mitel MiCollab, MiVoice Business Express
MiCollab, MiVoice Business Express Access Control Vulnerability
- Added to KEV
2022-03-25- Federal due date
2022-04-15- Vendor
- Mitel
- Product
- MiCollab, MiVoice Business Express
- EPSS
- 99.6th percentile (score 0.891, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2022-26143
CISA short description
A vulnerability has been identified in MiCollab and MiVoice Business Express that may allow a malicious actor to gain unauthorized access to sensitive information and services, cause performance degradations or a denial of service condition on the affected system.
Required action
Apply updates per vendor instructions.