CVE-2023-33377

9.8 criticalEPSS 1.5%

Critical (9.8) in connectedio connected io. EPSS 1.5% chance of exploitation in the next 30 days.

Connected IO v2.1.0 and prior has an OS command injection vulnerability in the set firewall command in part of its communication protocol, enabling attackers to execute arbitrary OS commands on devices.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2023-08-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

connectedio:connected_io

References

https://claroty.com/team82/disclosure-dashboard/cve-2023-33377
https://www.connectedio.com/products/routers
https://claroty.com/team82/disclosure-dashboard/cve-2023-33377
https://www.connectedio.com/products/routers

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