What is CVE-2021-21969?

CVE-2021-21969 is a high-severity vulnerability in Sealevel Seaconnect_370w, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2022-02-04.

How severe is CVE-2021-21969?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Sealevel Seaconnect_370w

CVE-2021-21969

An out-of-bounds write vulnerability exists in the HandleSeaCloudMessage functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. The HandleIncomingSeaCloudMessage function uses at [4] the json_object_get_string to populate the p_p…

Vulnerability class: Buffer Overflow

EPSS: 0.009 (54.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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)

References

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

Frequently asked questions

What is CVE-2021-21969?: CVE-2021-21969 is a high-severity vulnerability in Sealevel Seaconnect_370w, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2022-02-04.
How severe is CVE-2021-21969?: High severity. CVSS v3 base score is 8.1 out of 10.