CVE-2021-21968

Public Exploit

Description

A file 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 arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Category

8.3
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.40%
Third-Party Advisory talosintelligence.com
Affected: n/a Sealevel
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1395 exploit third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2021-21968?
CVE-2021-21968 has been scored as a high severity vulnerability.
How to fix CVE-2021-21968?
To fix CVE-2021-21968, 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-2021-21968 being actively exploited in the wild?
It is possible that CVE-2021-21968 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-2021-21968?
CVE-2021-21968 affects n/a Sealevel.
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