VULNERABILITY INTELLIGENCE

CVE-2021-21959

CVSS score8.1 HIGH
EPSS probability0.84%
CISA KEVNot currently listed
Published2022-02-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • talos-cna@cisco.com: CWE-295
  • nvd@nist.gov: CWE-295

Primary references