A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtual Instance (MiVB SVI) 1.0.0.25, could allow an authenticated attacker to conduct a privilege escalation attack due to improper file validation. A successful exploit could allow an attacker to run arbitrary code with elevated privileges.
Conclusion & alert: CVE-2024-35315 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.32%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-12 | 0.97% | 1.32% | +0.34% |
| 2 | 2025-12-03 | 1.11% | 0.97% | -0.13% |
| 3 | 2025-11-29 | — | 1.11% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.6 | 3.1 | MEDIUM |
|
0.8 | 4.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mitel | micollab | <= 9.7.1.110 | cpe:2.3:a:mitel:micollab:*:*:*:*:*:*:*:* |
| mitel | mivoice_business_solution_virtual_instance | 1.0.0.25 | cpe:2.3:a:mitel:mivoice_business_solution_virtual_instance:1.0.0.25:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0016 | Vendor Advisory |