CVE-2021-21963: Sealevel Seaconnect 370w Firmware

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists in the Web Server functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted man-in-the-middle attack can lead to a disclosure of sensitive information. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Affected products

• Sealevel Seaconnect 370w Firmware: version 1.3.34 only

Published 2022-02-04. Last modified 2026-06-17.