Connected IO v2.1.0 and prior has a command as part of its communication protocol allowing the management platform to specify arbitrary OS commands for devices to execute. Attackers abusing this dangerous functionality may issue all devices OS commands to execute, resulting in arbitrary remote command execution.
Conclusion & alert: CVE-2023-33374 is rated High Risk (68.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.68%). Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-04-29 | 1.26% | 1.68% | +0.41% |
| 2 | 2025-11-21 | 2.26% | 1.26% | -1.00% |
| 3 | 2025-11-18 | — | 2.26% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| connectedio | connected_io | <= 2.1.0 | cpe:2.3:a:connectedio:connected_io:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://claroty.com/team82/disclosure-dashboard/cve-2023-33374 | Third Party Advisory |
| https://www.connectedio.com/products/routers | Product |