CVE-2021-21962
published 2022-02-04CVE-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…
PriorityP348high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
2.01%
78.4th percentile
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.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| sealevel | seaconnect_370w_firmware | — | — |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv3.09.0CRITICALCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
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Talos
Vulnerability Spotlight: Multiple vulnerabilities in Sealevel SeaConnect
blogs_talos·2022-02-02·CVSS 8.1
[HIGH] Vulnerability Spotlight: Multiple vulnerabilities in Sealevel SeaConnect
## Vulnerability Spotlight: Multiple vulnerabilities in Sealevel SeaConnect
Francesco Benvenuto and Matt Wiseman of Cisco Talos discovered these vulnerabilities.
Update (Feb. 16, 2022): We are also disclosing a vulnerability in the Texas Instruments CC3200 SimpleLink microcontroller that is related to the SeaConnect vulnerabilities outlined in this post. For more on TALOS-2021-1393, read the full advisory here .
Cisco Talos recently discovered several vulnerabilities in Sealevel Systems Inc.’s SeaConnect internet-of-things edge device — many of which could allow an attacker to conduct a man-in-the-middle attack or execute remote code on the targeted device.
The SeaConnect 370W is a WiFi-connected edge device commonly used in industrial control system (ICS) environments that allow users
Talos
Vulnerability Spotlight: Multiple vulnerabilities in Sealevel SeaConnect
blogs_talos·2022-02-02·CVSS 8.1
[HIGH] Vulnerability Spotlight: Multiple vulnerabilities in Sealevel SeaConnect
Francesco Benvenuto and Matt Wiseman of Cisco Talos discovered these vulnerabilities.
Update (Feb. 16, 2022): We are also disclosing a vulnerability in the Texas Instruments CC3200 SimpleLink microcontroller that is related to the SeaConnect vulnerabilities outlined in this post. For more on TALOS-2021-1393, read the full advisory here.
Cisco Talos recently discovered several vulnerabilities in Sealevel Systems Inc.’s SeaConnect internet-of-things edge device — many of which could allow an attacker to conduct a man-in-the-middle attack or execute remote code on the targeted device.
The SeaConnect 370W is a WiFi-connected edge device commonly used in industrial control system (ICS) environments that allow users to remotely monitor and control the status of real-world I/O processes. This
2022-02-04
Published