CVE-2021-21963 HIGH

CVE-2021-21963

Vendor N/A
Product Sealevel
Weakness CWE-311 · Missing encryption
Published February 4, 2022
Last update April 15, 2025

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

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