VULNERABILITY INTELLIGENCE

CVE-2021-21968

CVSS score8.3 HIGH
EPSS probability0.95%
CISA KEVNot currently listed
Published2022-02-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Description

A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-20
  • nvd@nist.gov: NVD-CWE-Other

Primary references