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Vulnerability CVE-2021-21967
Published: 2022-04-14
| 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. |
Type:
CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.1/10 |
6.9/10 |
8.6/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
None |
None |
Complete |
References: |
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1394
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