CVE-2023-33378

9.8 criticalEPSS 0.8%

Critical (9.8) in connectedio connected io. EPSS 0.8% chance of exploitation in the next 30 days.

Connected IO v2.1.0 and prior has an argument injection vulnerability in its AT command message in 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: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-88
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-2023-33378
https://www.connectedio.com/products/routers
https://claroty.com/team82/disclosure-dashboard/cve-2023-33378
https://www.connectedio.com/products/routers

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