CVE-2022-29499
Mitel MiVoice Connect Data Validation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 July 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 55.24% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 27 June 2022 · due 18 July 2022 · used in ransomware campaigns
- Weakness
- CWE-20
- Affected
- mitel/mivoice connect
- Source
- cve@mitre.org
EPSS moved from 54.3% on 24 September 2026 to 55.2% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2022-29499
References
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0002Vendor Advisory
- https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0002Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-29499US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.