What is CVE-2021-21964?

CVE-2021-21964 is a high-severity vulnerability in Sealevel Seaconnect_370w, classified under Improper Access Control. CVSS score: 7.4/10. Published 2022-02-04.

How severe is CVE-2021-21964?

High severity. CVSS v3 base score is 7.4 out of 10.

Auth bypass in Sealevel Seaconnect_370w

CVE-2021-21964

A denial of service vulnerability exists in the Modbus configuration functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. Specially-crafted network packets can lead to denial of service. An attacker can send a malicious packet…

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/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)

References

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

Frequently asked questions

What is CVE-2021-21964?: CVE-2021-21964 is a high-severity vulnerability in Sealevel Seaconnect_370w, classified under Improper Access Control. CVSS score: 7.4/10. Published 2022-02-04.
How severe is CVE-2021-21964?: High severity. CVSS v3 base score is 7.4 out of 10.