What is CVE-2021-21968?

CVE-2021-21968 is a high-severity vulnerability in Sealevel Seaconnect_370w, classified under Improper Input Validation. CVSS score: 8.3/10. Published 2022-02-04.

How severe is CVE-2021-21968?

High severity. CVSS v3 base score is 8.3 out of 10.

Improper input validation in Sealevel Seaconnect_370w

CVE-2021-21968

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 at…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (56.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Sealevel Seaconnect_370w
Sealevel Seaconnect_370w_firmware — versions 1.3.34
N/a Sealevel — versions Sealevel Systems, Inc. SeaConnect 370W v1.3.34

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21968?: CVE-2021-21968 is a high-severity vulnerability in Sealevel Seaconnect_370w, classified under Improper Input Validation. CVSS score: 8.3/10. Published 2022-02-04.
How severe is CVE-2021-21968?: High severity. CVSS v3 base score is 8.3 out of 10.