A vulnerability in the Connect Mobility Router component of Mitel MiVoice Connect through 9.6.2304.102 could allow an authenticated attacker with elevated privileges and internal network access to conduct a command argument injection due to insufficient parameter sanitization. A successful exploit could allow an attacker to access network information and to generate excessive network traffic.
Conclusion & alert: CVE-2023-39288 is rated Low Risk (36/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.51%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-06-15 | 0.16% | 0.51% | +0.35% |
| 2 | 2026-03-05 | 0.14% | 0.16% | +0.01% |
| 3 | 2025-11-21 | — | 0.14% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.2 | 4.2 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mitel | mivoice_connect | <= 9.6.2304.102 | cpe:2.3:a:mitel:mivoice_connect:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.mitel.com/support/security-advisories | Vendor Advisory |
| https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0011 | Vendor Advisory |