Vulnerability Details : CVE-2021-21959

A misconfiguration exists in the MQTTS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. This misconfiguration significantly simplifies a man-in-the-middle attack, which directly leads to control of device functionality.
Published 2022-02-04 23:15:10
Updated 2022-07-29 16:38:23
Source Talos
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-21959

EPSS FAQ
0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21959

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
7.7
 HIGH CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
2.2
5.5
 Talos
8.1
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
5.9
 NIST

CWE ids for CVE-2021-21959

References for CVE-2021-21959

Products affected by CVE-2021-21959

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