CVE-2021-21968

State
Published
Severity
8.1 High
Published
Feb 4, 2022
Updated
Apr 15, 2025
Reserved
Jan 4, 2021

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.08.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Htalos

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
Sealeveln/a
  • Sealevel Systems, Inc. SeaConnect 370W v1.3.34Affected

References

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