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HIGH · 8.1

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 ...

Vulnerability Description

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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SealevelSeaconnect 370W Firmware1.3.34
SealevelSeaconnect 370W-

Related Weaknesses (CWE)

CWE-295

References

FAQ

What is CVE-2021-21959?

CVE-2021-21959 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ...

How severe is CVE-2021-21959?

CVE-2021-21959 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21959?

Check the references section above for vendor advisories and patch information. Affected products include: Sealevel Seaconnect 370W Firmware, Sealevel Seaconnect 370W.