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CVE-2023-33378

Connected IO v2.1.0 and prior has an argument injection vulnerability in its AT command message in its communication protocol, enabling…

Critical9.8EPSS 0.83%
Published
Updated
Reserved
Assigned by
mitre

Description

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.

Timeline

  1. ID reserved

    By mitre

  2. · 2 months later

    Published

  3. · 15 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-33378, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.83% · top 42% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .