What is CVE-2023-33379?

CVE-2023-33379 is a critical-severity vulnerability in Connectedio Er2000t-Vz-Cat1. CVSS score: 9.8/10. Published 2023-08-04.

How severe is CVE-2023-33379?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Connectedio Er2000t-Vz-Cat1

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 device, impersonating Connected IO management platform and sending commands to all of Connected IO's devices.

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Connectedio Er2000t-vz-cat1
Connectedio Er2000t-vz-cat1_firmware
N/a — versions n/a

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2023-33379?: CVE-2023-33379 is a critical-severity vulnerability in Connectedio Er2000t-Vz-Cat1. CVSS score: 9.8/10. Published 2023-08-04.
How severe is CVE-2023-33379?: Critical severity. CVSS v3 base score is 9.8 out of 10.