CVE-2021-21964

Published Feb 4, 2022

Last updated 2 years ago

Overview

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.
Source
talos-cna@cisco.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
7.4
Impact score
4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
Severity
HIGH

CVSS 3.0

Type
Secondary
Base score
8.6
Impact score
4.7
Exploitability score
3.9
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
7.1
Impact score
6.9
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:N/I:N/A:C

Weaknesses

nvd@nist.gov
CWE-306
talos-cna@cisco.com
CWE-284

Social media

Hype score
Not currently trending

Configurations