CVE-2021-21968 (GCVE-0-2021-21968)

Vulnerability from cvelistv5 – Published: 2022-02-04 22:29 – Updated: 2025-04-15 19:10
VLAI
Summary
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.
Severity
8.1 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-15 18:23 UTC
CWE
  • CWE-20 - Improper Input Validation
Assigner
talos CNA under the mitre root
CNA scorecard C 60/100 over 46 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a Sealevel Affected: Sealevel Systems, Inc. SeaConnect 370W v1.3.34
Show details on NVD website
To clipboard 

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