CVE-2022-29499Mitel MiVoice Connect Data Validation Vulnerability

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.

9.8 CRITICALEPSS 55.24%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-08-06 05:16 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Apr 26, 2022
Assigner: mitre

Affected

mivoice connect (mitel)

Versions: through 22.20.2300.0

Exploitation

Public exploit: None listed
CISA KEV: Listed · Jun 27, 2022
KEV due date: Jul 18, 2022
Ransomware use: Known
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 8

55.24%chance of exploitation in 30 days

Higher than 99.03% of CVEs

CVSS 3.1 · NVD

9.8Critical

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

10.0High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Jul 18, 2022

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Details

CVE ID: CVE-2022-29499
Status: Analyzed
Assigner (CNA): mitre
Published: Apr 26, 2022
Last modified: 2026-08-06 05:16 UTC
Weaknesses: CWE-20

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 14:45 UTC.