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CVE-2022-29499

9.8, critical Known exploited Used in ransomware

Mitel MiVoice Connect Data Validation Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
55% higher than 99% of scored CVEs
Exploitation
Confirmed in the wild
Published
26 Apr 20224 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 27 Jun 2022 and links it to ransomware activity. US federal agencies had to remediate by 18 Jul 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

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.

Details

Vendor
Mitel
Product
Mivoice Connect
Weakness
CWE-20 (opens in a new tab)
Status
Analyzed
Updated
6 Aug 2026
Assigner
cve@mitre.org

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

References 2

Advisories 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Mitel CVEs

Every Mitel CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2024-55550 Mitel MiCollab Path Traversal Vulnerability KEV EPSS 38% 2.7, low
  • CVE-2024-41713 Mitel MiCollab Path Traversal Vulnerability KEV EPSS 97% 9.1, critical
  • CVE-2024-41710 Mitel SIP Phones Argument Injection Vulnerability KEV EPSS 42% 7.2, high
  • CVE-2022-40765 Mitel MiVoice Connect Command Injection Vulnerability KEV EPSS 11% 6.8, medium
  • CVE-2022-41223 Mitel MiVoice Connect Code Injection Vulnerability KEV EPSS 11% 6.8, medium
  • CVE-2022-26143 MiCollab, MiVoice Business Express Access Control Vulnerability KEV EPSS 87% 9.8, critical

Beyond this page

Is CVE-2022-29499 in your network?

This page tells you how dangerous CVE-2022-29499 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2022-29499 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 16 Oct 2026, not the live upstream state.