How severe is CVE-2022-29499?

CVE-2022-29499 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 55.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-29499: Mitel MiVoice Connect Data Validation Vulnerability

CISA Known Exploited Vulnerabilities

Mitel MiVoice Connect Data Validation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-06-27

Remediation due

2022-07-18

Ransomware

Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2022-29499

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.

Severity

CVSS 3.1 · CISA9.8 CRITICAL

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2022-29499 to the KEV catalog 62 days after its CVE record was published.
It is one of 7 Mitel entries in the CISA KEV catalog, and one of 2 added in 2022.
Its current EPSS score (55.2%) is higher than that of 52% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

1 Links

Other references

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0002

Record Details

Published

2022-04-26

Last updated

2026-08-06

Assigner (CNA)

mitre

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.