Mitel — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for Mitel with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 7 Mitel vulnerabilities confirmed as exploited in the wild across 4 products; 5 of them (71%) are flagged as used in known ransomware campaigns. MiVoice Connect is the most-affected product, with 3 entries (43% of the total). CISA added 3 entries in 2025, compared with 0 in 2024. Across the 7 entries with an NVD CVSS score (100% of the total), the average score is 7.5; 3 entries are rated critical by NVD. The most recent addition is CVE-2024-41710 (Mitel SIP Phones Argument Injection Vulnerability), added on 2025-02-12.
Affected products
| Product | Entries | Share |
|---|---|---|
| MiVoice Connect | 3 | 43% |
| MiCollab | 2 | 29% |
| SIP Phones | 1 | 14% |
| MiCollab, MiVoice Business Express | 1 | 14% |
Entries added per year
By date added to the KEV catalog
Exploited Mitel vulnerabilities (7)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2024-41710 | SIP Phones | Mitel SIP Phones Argument Injection Vulnerability | 2025-02-12 | — | HIGH7.2 |
| CVE-2024-55550 | MiCollab | Mitel MiCollab Path Traversal Vulnerability | 2025-01-07 | Known | LOW2.7 |
| CVE-2024-41713 | MiCollab | Mitel MiCollab Path Traversal Vulnerability | 2025-01-07 | Known | CRITICAL9.1 |
| CVE-2022-41223 | MiVoice Connect | Mitel MiVoice Connect Code Injection Vulnerability | 2023-02-21 | Known | MEDIUM6.8 |
| CVE-2022-40765 | MiVoice Connect | Mitel MiVoice Connect Command Injection Vulnerability | 2023-02-21 | Known | MEDIUM6.8 |
| CVE-2022-29499 | MiVoice Connect | Mitel MiVoice Connect Data Validation Vulnerability | 2022-06-27 | Known | CRITICAL9.8 |
| CVE-2022-26143 | MiCollab, MiVoice Business Express | MiCollab, MiVoice Business Express Access Control Vulnerability | 2022-03-25 | — | CRITICAL9.8 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.