CVE-2021-21959 HIGH

CVE-2021-21959

Vendor N/A
Product Sealevel
Weakness CWE-295
Published February 4, 2022
Last update April 15, 2025
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 4, 2022 CVE published
April 15, 2025 Record updated