CVE-2021-21964

HIGH

Sealevel SeaConnect 370W Firmware 1.3.34 - Denial of Service via Modbus Configuration

Title source: llm

Description

A denial of service vulnerability exists in the Modbus configuration functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. Specially-crafted network packets can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1392

Scores

CVSS v3 7.4

EPSS 0.0070

EPSS Percentile 48.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-284 CWE-306

Status published

Products (1)

sealevel/seaconnect_370w_firmware 1.3.34

Published Feb 04, 2022

Tracked Since Feb 18, 2026