TI-2023-16510 Aliases CVE-2023-33372 GHSA-vvv6-p6rr-p76r

Connected IO v2.1.0 and prior uses a hard-coded username/password pair embedded in their…

MEDIUM 50CWE-798Published 2023-08-04 · Updated 2024-10-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00765 55th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:connectedio:connected_io::::::::	up to 2.1.0	Vulnerable	Connectedio

cpe:2.3:a:connectedio:connected_io:*:*:*:*:*:*:*:* Versions up to 2.1.0 Vulnerable ·Connectedio

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-33372
2026-10-03 Alias added: GHSA-vvv6-p6rr-p76r

References

Advisory 1

https://claroty.com/team82/disclosure-dashboard/cve-2023-33372

Other 1

https://www.connectedio.com/products/routers

TI-2023-16515 Connected IO v2.1.0 and prior has an OS command injection vulnerability in the set… CVSS 3.1CRITICAL 9.8
TI-2023-16512 Connected IO v2.1.0 and prior has a command as part of its communication protocol… CVSS 3.1CRITICAL 9.8
TI-2023-16516 Connected IO v2.1.0 and prior has an argument injection vulnerability in its AT command… CVSS 3.1CRITICAL 9.8
TI-2023-16514 Connected IO v2.1.0 and prior has an argument injection vulnerability in its iptables… CVSS 3.1CRITICAL 9.8
TI-2023-16513 Connected IO v2.1.0 and prior has a stack-based buffer overflow vulnerability in its… CVSS 3.1CRITICAL 9.8
TI-2023-16511 Connected IO v2.1.0 and prior keeps passwords and credentials in clear-text format… CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences