CVE-2022-29499
Mitel MiVoice Connect Data Validation Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 27 Jun 2022
- Used in ransomware campaigns
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.
Key facts
- Published
- 26 Apr 2022
- Last changed
- 6 Aug 2026
- Assigned by
- mitre
- KEV added
- 27 Jun 2022
- KEV fix due
- 18 Jul 2022
- Used in ransomware
- Yes, according to CISA
- EPSS
- 55.242% likely to be exploited in the next 30 days, higher than 99.047% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 26 Apr 2022 Published
- 27 Jun 2022 CVE-2022-29499 added to CISA KEV
- 27 Jun 2022 Added to the CISA KEV catalogue