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CVE-2023-33379: Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other dev...
CVE-2023-33379 · published 3 years ago
Summary
Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other device, impersonating Connected IO management platform and sending commands to all of Connected IO's devic...
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| connectedio | er2000t-vz-cat1_firmware |
<= 2.1.0 cpe:2.3:o:connectedio:er2000t-vz-cat1_firmware:*:*:*:*:*:*:*:* |
Original advisory text
Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other dev...
Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other device, impersonating Connected IO management platform and sending commands to all of Connected IO's devices.
References
- https://claroty.com/team82/disclosure-dashboard/cve-2023-33379 Third Party Advisory
- https://www.connectedio.com/products/routers Product
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker full control
Timeline
Published4 Aug 2023
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2023-33379 · NVD
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