CVE-2021-21959

State: Published
Severity: 7.7 High
Published: Feb 4, 2022
Updated: Apr 15, 2025
Reserved: Jan 4, 2021

Description

A misconfiguration exists in the MQTTS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. This misconfiguration significantly simplifies a man-in-the-middle attack, which directly leads to control of device functionality.

Scores

CVSS	Score	Vector	Source
3.0	7.7 High	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H	talos

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
Sealeveln/a	Sealevel Systems, Inc. SeaConnect 370W v1.3.34Affected

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1388

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.