CVE-2022-29499

9.8 criticalKEVEPSS 55%

Critical (9.8) in Mitel MiVoice Connect. In CISA KEV since 2022-06-27, with known ransomware use. EPSS 55% chance of exploitation in the next 30 days.

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.

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: 55% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2022-06-27, due 2022-07-18, known ransomware use
CWE: CWE-20
Published: 2022-04-26
Modified: 2026-08-06
Record from: the NVD, synced 2026-10-19

Affected

mitel:mivoice_connect

References

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0002
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0002
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-29499

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