Improper Certificate Validation in SeaConnect 370W - CVE-2021-21959

 

Improper Certificate Validation in SeaConnect 370W - CVE-2021-21959

Published: February 7, 2022


Vulnerability identifier: #VU60348
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21959
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Sealevel Systems
Affected software:
SeaConnect 370W

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation in the MQTTS functionality. A remote attacker can perform a man-in-the-middle attack and control the device functionality.


How to mitigate CVE-2021-21959

Install updates from vendor's website.

Sources