How we count
Every figure on this page is a direct count of entries in CISA’s Known Exploited Vulnerabilities catalog attributed by CISA to Mitel (KEV field vendorProject), refreshed daily. “Ransomware-linked” counts entries CISA marks as known to be used in ransomware campaigns; the remainder are “unknown” to CISA, not confirmed ransomware-free. A KEV listing means the vulnerability has been observed exploited in the wild. Snapshot as of 2026-08-31.
Exploited Mitel vulnerabilities (CISA KEV)
| CVE | Product | Vulnerability | Added | |
|---|---|---|---|---|
| CVE-2024-41710 | SIP Phones | Mitel SIP Phones Argument Injection Vulnerability | 2025-02-12 | |
| CVE-2024-55550 | MiCollab | Mitel MiCollab Path Traversal Vulnerability | 2025-01-07 | ransomware |
| CVE-2024-41713 | MiCollab | Mitel MiCollab Path Traversal Vulnerability | 2025-01-07 | ransomware |
| CVE-2022-41223 | MiVoice Connect | Mitel MiVoice Connect Code Injection Vulnerability | 2023-02-21 | ransomware |
| CVE-2022-40765 | MiVoice Connect | Mitel MiVoice Connect Command Injection Vulnerability | 2023-02-21 | ransomware |
| CVE-2022-29499 | MiVoice Connect | Mitel MiVoice Connect Data Validation Vulnerability | 2022-06-27 | ransomware |
| CVE-2022-26143 | MiCollab, MiVoice Business Express | MiCollab, MiVoice Business Express Access Control Vulnerability | 2022-03-25 |
← All vendors by exploited-vulnerability count
🤖 Generated by defend.network from the CISA KEV catalog. Counts are deterministic aggregates of official CISA data; verify individual advisories at the linked sources.