How many CVEs does Mitel have?

Mitel has 145 published CVE records since 2005, including 6 in the last two years.

How many Mitel CVEs are in CISA KEV?

Yes — 8 of Mitel's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Which Mitel products have the most CVEs?

The Mitel products with the most published CVEs are micollab, MiVoice Connect, micontact_center_business, 6800_series_sip_phones, 6900_series_sip_phones.

What are the most common weakness types in Mitel CVEs?

Mitel's CVEs most often map to these CWE weakness types: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')), CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')), CWE-94 (Improper Control of Generation of Code ('Code Injection')).

Are there public exploits for Mitel vulnerabilities?

Yes — 22 of Mitel's CVEs have a known public exploit.

How many critical Mitel vulnerabilities are there?

Mitel has 38 critical and 41 high-severity CVEs.

What is the average severity of Mitel CVEs?

The average CVSS base score across Mitel's scored CVEs is 7.4.

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145 CVEs

8 in CISA KEV

Mitel Vulnerabilities

Name: Mitel vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for Mitel.

145

Total CVEs

Published

8

In CISA KEV

Exploited in the wild

22

Public exploits

PoC or exploit code

7.4

Avg CVSS

2005–2026

Overview

Mitel has 145 published CVE records since 2005, of which 8 are in CISA's Known Exploited Vulnerabilities catalog and 22 have a known public exploit. The average CVSS base score across scored CVEs is 7.4.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Mitel products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on Mitel's vulnerability posture, as a share of its 145 published CVEs.

Average CVSS: 7.4
Critical / high: 54%
Actively exploited (KEV): 6%
Public exploit available: 15%
Patch available: 52%

Severity and exploitation

How the CVSS severity of Mitel's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical38

High41

Medium64

Low2

In CISA’s Known Exploited Vulnerabilities catalog

8

8 of Mitel's CVEs are confirmed exploited in the wild.

Public exploits

22

22 of Mitel's CVEs have a known public exploit available.

Most affected products

The Mitel products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in Mitel CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish Mitel CVE records.

Disclosure activity by year

How many Mitel CVEs were published each year.

2019

8

2020

33

2021

13

2022

12

2023

18

2024

36

2025

4

2026

2

Latest Mitel CVEs

The most recently disclosed vulnerabilities affecting Mitel.

Critical vulnerability · 2026-01-15
CWE-287
Critical · CVSS 9.4
EPSS 0.4%2026-01-15
High vulnerability · 2026-01-15
CWE-79
High · CVSS 8.2
EPSS 0.3%2026-01-15
Critical vulnerability · 2025-08-08
CWE-22
Critical · CVSS 9.8
EPSS 0.5%2025-08-08
High vulnerability · 2025-08-08
CWE-89
High · CVSS 8.8
EPSS 0.6%2025-08-08
Medium vulnerability · 2025-08-07
CWE-77
Medium · CVSS 6.5
EPSS 47.6%2025-08-07
High vulnerability · 2025-07-23
CWE-434
High · CVSS 7.5
EPSS 0.9%2025-07-23
Medium vulnerability · 2024-12-10
CISA KEV
CWE-22
Medium · CVSS 4.6
EPSS 38.1%2024-12-10
Critical vulnerability · 2024-10-21
CWE-89
Critical · CVSS 9.8
EPSS 65.6%2024-10-21
Medium vulnerability · 2024-10-21
CWE-79
Medium · CVSS 4.8
EPSS 0.3%2024-10-21
Medium vulnerability · 2024-10-21
CWE-94
Medium · CVSS 6.6
EPSS 0.5%2024-10-21
Critical vulnerability · 2024-10-21
CISA KEV
CWE-22
Critical · CVSS 9.3
EPSS 98.1%2024-10-21
Medium vulnerability · 2024-10-21
CWE-276
Medium · CVSS 6.7
EPSS 0.2%2024-10-21

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Frequently asked questions

Common questions about Mitel vulnerabilities.

How many CVEs does Mitel have?: Mitel has 145 published CVE records since 2005, including 6 in the last two years.
How many Mitel CVEs are in CISA KEV?: Yes — 8 of Mitel's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Which Mitel products have the most CVEs?: The Mitel products with the most published CVEs are micollab, MiVoice Connect, micontact_center_business, 6800_series_sip_phones, 6900_series_sip_phones.
What are the most common weakness types in Mitel CVEs?: Mitel's CVEs most often map to these CWE weakness types: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')), CWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection')), CWE-94 (Improper Control of Generation of Code ('Code Injection')).
Are there public exploits for Mitel vulnerabilities?: Yes — 22 of Mitel's CVEs have a known public exploit.
How many critical Mitel vulnerabilities are there?: Mitel has 38 critical and 41 high-severity CVEs.
What is the average severity of Mitel CVEs?: The average CVSS base score across Mitel's scored CVEs is 7.4.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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