CVE-2023-31458

9.8 criticalEPSS 0.9%

Critical (9.8) in mitel mivoice connect. EPSS 0.9% chance of exploitation in the next 30 days.

A vulnerability in the Edge Gateway component of Mitel MiVoice Connect versions 19.3 SP2 (22.24.1500.0) and earlier could allow an unauthenticated attacker with internal network access to authenticate with administrative privileges, because initial installation does not enforce a password change. A successful exploit could allow an attacker to make arbitrary configuration changes and execute arbitrary commands.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
Published: 2023-05-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mitel:mivoice_connect

References

https://www.mitel.com/support/security-advisories
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0005
https://www.mitel.com/support/security-advisories
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0005

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