Unauthenticated access to admin/user accounts enables full system control; MiVoice MX-ONE is widely deployed as critical telecom infrastructure.
CVE-2025-67822
Unauthenticated auth bypass in MiVoice MX-ONE Provisioning Manager.
Is CVE-2025-67822 being exploited?
Not confirmed. CVE-2025-67822 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2025-67822?
CVE-2025-67822 is rated Critical with a CVSS score of 9.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-67822?
Yes. A fix has been recorded for CVE-2025-67822. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-67822 affect?
CVE-2025-67822 affects Mitel MiVoice MX-ONE 7.3 (7.3.0.0.50) through 7.8 SP1 (7.8.1.0.14). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-67822?
Restrict access to provisioning manager; monitor, patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can bypass authentication to access user/admin accounts, enabling full system control.
Immediate action required