Vulnerability Details CVE-2021-21962
A heap-based buffer overflow vulnerability exists in the OTA Update u-download functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A series of specially-crafted MQTT payloads can lead to remote code execution. An attacker must perform a man-in-the-middle attack in order to trigger this vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.019
EPSS Ranking 82.4%
CVSS Severity
CVSS v3 Score 9.0
CVSS v2 Score 6.8
References
Products affected by CVE-2021-21962
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cpe:2.3:h:sealevel:seaconnect_370w:-
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cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34