CVE-2023-33372
Last modified
CVE-2023-33372 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Connected IO v2.1.0 and prior uses a hard-coded username/password pair embedded in their device's firmware used for device communication using MQTT. An attacker who gained access to these credentials is able to connect to the MQTT broker and send messages on behalf of devices, impersonating them. EPSS estimates a 0.76% chance of exploitation in the next 30 days.
Description
Connected IO v2.1.0 and prior uses a hard-coded username/password pair embedded in their device's firmware used for device communication using MQTT. An attacker who gained access to these credentials is able to connect to the MQTT broker and send messages on behalf of devices, impersonating them. in order to sign and verify JWT session tokens, allowing attackers to sign arbitrary session tokens and bypass authentication.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Connectedio | Connected Io | <= 2.1.0 |
References
- https://claroty.com/team82/disclosure-dashboard/cve-2023-33372Third Party Advisory
- https://claroty.com/team82/disclosure-dashboard/cve-2023-33372Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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