CVE-2021-21967

Public Exploit

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.28%
Third-Party Advisory talosintelligence.com
Affected: Sealevel Systems, Inc. SeaConnect 370W
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1394 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-21967?
CVE-2021-21967 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21967?
To fix CVE-2021-21967, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21967 being actively exploited in the wild?
It is possible that CVE-2021-21967 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21967?
CVE-2021-21967 affects Sealevel Systems, Inc. SeaConnect 370W.
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