Applied Cybernetics Group
Threat intel → detection pipeline
Friday, September 18, 2026
Data as of 13:09 UTC

known ransomware use

Mitel MiVoice Connect Data Validation Vulnerability

Added to KEV
2022-06-27
Federal due date
2022-07-18
Vendor
Mitel
Product
MiVoice Connect
EPSS
99.0th percentile (score 0.556, as of 2026-09-16)
NVD CVSS v3.1
9.8 (CRITICAL)
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-29499

CISA short description

The Service Appliance component in Mitel MiVoice Connect allows remote code execution due to incorrect data validation.

Required action

Apply updates per vendor instructions.

NVD description

The Service Appliance component in Mitel MiVoice Connect through 19.2 SP3 allows remote code execution because of incorrect data validation. The Service Appliances are SA 100, SA 400, and Virtual SA.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.