CVE-2021-21967

Published Apr 14, 2022

Last updated 3 years ago

Overview

Description
An out-of-bounds 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 denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Source
talos-cna@cisco.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
5.9
Impact score
3.6
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

CVSS 3.0

Type
Secondary
Base score
6.5
Impact score
4.2
Exploitability score
2.2
Vector string
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Severity
MEDIUM

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-120
talos-cna@cisco.com
CWE-120

Social media

Hype score
Not currently trending

Configurations