CVE-2025-67822

Status: AnalyzedCritical (9.4)—

A vulnerability in the Provisioning Manager component of Mitel MiVoice MX-ONE 7.3 (7.3.0.0.50) through 7.8 SP1 (7.8.1.0.14) could allow an unauthenticated attacker to conduct an authentication bypass attack due to improper authentication mechanisms. A successful exploit could allow an attacker to gain unauthorized access to user or admin accounts in the system.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Base score: 9.4

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.41%
Percentile among all scored CVEs: 33
Score date: 10/5/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access95 %
Primary impactT1078 Valid Accountsstealth · persistence · privilege escalation · initial access90 %
Secondary impactT1098 Account Manipulationpersistence · privilege escalation75 %

AV:N/PR:N sin interacción indica explotación remota sin autenticación (T1190). CWE-287 y descripción de bypass autenticación confirman acceso a cuentas de usuario/admin (T1078), con posible manipulación de cuentas (T1098).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management User Account Management Network Segmentation Multi-factor Authentication Application Developer Guidance Active Directory Configuration

Affected technologies (1)

Mitel — Mivoice Mx-one

CWEs

CWE-287

References

Raw JSON (NVD)

Show

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