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CVE-2021-21967

Common vulnerabilities & exposures (CVE)

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Published at: - 14-04-2022 10:15
Last modified: - 21-04-2022 05:42
Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
High
Attack complexity
Network
Attack vector
High
Availability
None
Confidentiality
None
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
5.9
Base score
2.2
3.6
Exploitability score
Impact score
 

Verification logic

AND
OR
vendor=sealevel AND product=seaconnect_370w_firmware AND version=1.3.34
OR
vendor=sealevel AND product=seaconnect_370w AND version=-
 

Reference

 


Keywords

NVD

 

CVE-2021-21967

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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