Improper access control in SeaConnect 370W - CVE-2021-21964

 

Improper access control in SeaConnect 370W - CVE-2021-21964

Published: February 7, 2022


Vulnerability identifier: #VU60346
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21964
CWE-ID: CWE-284
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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the Modbus/SeaMAX Remote Configuration functionality within Modbus Interface. A remote attacker can bypass implemented security restrictions and perform a denial of service (DoS) attack.


How to mitigate CVE-2021-21964

Install updates from vendor's website.

Sources