Authentication Bypass Vulnerability in Mitel MiVoice MX-ONE
CVE-2025-67822

9.4CRITICAL

Key Information:

Vendor

Mitel
Status
Mitel MiVoice MX-ONE
Vendor
CVE Published:
15 January 2026

What is CVE-2025-67822?

A vulnerability exists in the Provisioning Manager component of Mitel MiVoice MX-ONE versions 7.3 through 7.8 SP1, which allows unauthenticated attackers to exploit improper authentication mechanisms. This gap can lead to unauthorized access to both user and admin accounts, potentially compromising sensitive information and system integrity. Users of affected versions are advised to review the security advisory for detailed mitigation steps.

References

https://www.mitel.com/support/security-advisories
https://www.mitel.com/support/security-advisories/mitel-p...

CVSS V3.1

Score:
9.4
Severity:
CRITICAL
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.