A vulnerability categorized as critical has been discovered in Connected IO up to 2.1.0. Affected by this issue is some unknown functionality of the component AT Command Message Handler. The manipulation results in argument injection.
This vulnerability is known as CVE-2023-33378. Access to the local network is required for this attack. No exploit is available.
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CVE-2023-33378 | Connected IO up to 2.1.0 AT Command Message argument injection (EUVD-2023-37541)
A vulnerability categorized as critical has been discovered in Connected IO up to 2.1.0. Affected by this issue is some unknown functionality of the component AT Command Message Handler. The manipulation results in argument…
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IoC Intelligence (1 Indikatoren)
CVE-2023-33378
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2023-33378 | Connected IO up to 2.1.0 AT Command Message argument injection (EUVD-2023-37541)
id: 1b5b6676-a71b-4244-bb0e-88b5290150e4
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2023-33378 | Connected IO " ascii wide
condition:
any of them
}
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