SECURITY ADVISORIES

Mitel Product Security Advisories are published for moderate and high-risk security issues. Each advisory provides information on the status of investigation and provides additional information on products confirmed to be affected and recommended action to be taken by customers. Advisories are posted in reverse chronological order.

This information is provided on an "as is" basis and does not grant or imply any guarantees or warranties, including the warranties of merchantability or fitness for a particular use. Mitel does not guarantee that any of the information is accurate or up to date. By using the information, you acknowledge and agree that your use of the information, or the documents or materials linked to this information, is at your own risk. In addition, Mitel’s provision of this information shall not and does not affect the terms or conditions of any agreement with Mitel. Mitel reserves the right to change or update this information without notice at any time.

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Advisory ID CVE# [Severity](/content/support/security-advisories?order=field_severity&sort=asc "sort by Severity"/index.html) [Publish Date](/content/support/security-advisories?order=created&sort=asc "sort by Publish Date"/index.html) [Last Updated<br> Sort ascending](/content/support/security-advisories?order=field_date&sort=asc "sort by Last Updated"/index.html)
Linux Kernel Local Privilege Escalation Vulnerabilities "Dirty Frag" (CVE-2026-43284, CVE-2026-43500) MISA-2026-0004 CVE-2026-43284, CVE-2026-43500 high 2026-05-28 2026-05-28
Linux Kernel Local Privilege Escalation Vulnerability (Copy Fail, CVE-2026-31431) MISA-2026-0003 CVE-2026-31431 high 2026-05-07 2026-05-21
MiCollab SQL Injection and Privilege Escalation Vulnerabilities MISA-2026-0002 CVE requested critical 2026-04-08 2026-04-08
MiContact Center Business and Mitel CX Reflected Cross Site Scripting (XSS) Vulnerability MISA-2026-0001 CVE requested high 2026-03-18 2026-03-18
MiContact Center Business and Mitel CX Cross Site Scripting (XSS) Vulnerability MISA-2025-0010 CVE-2025-67823 high 2025-12-09 2026-01-10
MiVoice MX-ONE Authentication Bypass Vulnerability MISA-2025-0009 CVE-2025-67822 critical 2025-07-23 2026-01-05
MiCollab SQL injection Vulnerability MISA-2025-0008 CVE-2025-52914 high 2025-07-23 2025-08-06
Mitel 6800 Series, 6900 Series and 6900w Series SIP Phones, including 6970 Conference Unit Command Injection and Unauthenticated File Upload Vulnerabilities MISA-2025-0004 CVE-2025-47188, CVE-2025-47187 critical 2025-05-06 2025-06-26
MiCollab Path Traversal Vulnerability MISA-2025-0007 CVE-2025-52913 critical 2025-06-11 2025-06-24
MiContact Center Business Reflected Cross Site Scripting Vulnerability MISA-2025-0003 CVE-2025-27828 high 2025-03-26 2025-06-18
OpenScape Accounting Management Path Traversal Vulnerability MISA-2025-0006 CVE-2025-23092 high 2025-06-11 2025-06-03
OpenScape Xpressions Path Traversal Vulnerability MISA-2025-0005 CVE-2025-48026 high 2025-05-21 2025-05-21
MiContact Center Business Information Disclosure Vulnerability MISA-2025-0002 CVE-2025-27827 high 2025-01-22 2025-03-11
OpenScape 4000 and OpenScape 4000 Manager Privilege Escalation and Command Injection Vulnerabilities MISA-2025-0001 CVE-2025-23093, CVE-2025-23094 high 2025-01-22 2025-02-13
MiCollab Path Traversal Vulnerability MISA-2024-0029 CVE-2024-41713, CVE-2024-5555 critical 2024-10-09 2024-12-12
MiCollab Argument Injection Vulnerability 24-0015 CVE-2024-35314 high 2024-05-23 2024-11-06
MiCollab CRLF Injection Vulnerability MISA-2024-0025 CVE-2024-47224 medium 2024-10-09 2024-10-09
MiCollab Authentication Bypass Vulnerability MISA-2024-0027 CVE-2024-47912 high 2024-10-09 2024-10-09
MiCollab SQL Injection Vulnerability MISA-2024-0028 CVE-2024-47223 critical 2024-10-09 2024-10-09
MiCollab SQL Injection Vulnerability in the API Interface MISA-2024-0026 CVE-2024-47189 high 2024-10-09 2024-10-09
MiContact Center Business Unauthorized Access Vulnerability 24-0024 CVE-2024-42514 high 2024-08-21 2024-10-02
OpenScape Voice Path Traversal vulnerability CVE-2023-48166 CVE-2023-48166 high 2024-10-01 2024-10-01
OpenScape 4000 and OpenScape 4000 Manager Command Injection Vulnerability in the Platform Webservice OBSO-2407-02 critical 2025-03-19 2024-09-25
OpenScape Business Sensitive Information Disclosure Vulnerability OBSO-2408-01 medium 2024-08-14 2024-08-14
MiCollab Command Injection Vulnerability 24-0021 CVE-2024-41714 critical 2024-07-24 2024-08-13
Mitel 6800 Series, 6900 Series and 6900w Series SIP Phones, including 6970 Conference Unit Command Injection in the Boot Process 24-0019 CVE-2024-41710 high 2024-07-17 2024-07-30
Mitel 6800 Series, 6900 Series and 6900w Series SIP Phones, including 6970 Conference Unit Command Injection 24-0020 CVE-2024-41711 medium 2024-07-17 2024-07-30
MiCollab Command Injection Vulnerability in the Web Conferencing Component 24-0022 CVE-2024-41712 high 2024-07-24 2024-07-24
MiCollab Privilege Escalation Vulnerability 24-0023 CVE-2024-35287 high 2024-07-24 2024-07-24
OpenScape 4000 Assistant and OpenScape 4000 Manager Command Injection Vulnerability OBSO-2407-03 critical 2025-03-19 2024-07-17