Buffer overflow in Sealevel Seaconnect_370w
CVE-2021-21971
An out-of-bounds write vulnerability exists in the URL_decode functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to an out-of-bounds write. An attacker can perform a man-in-the-middle…
Vulnerability class: Buffer Overflow
EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
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 (Third Party Advisory, x_refsource_MISC, Not Applicable)
- nvd@nist.gov (Exploit, Technical Description, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21971?
- CVE-2021-21971 is a medium-severity vulnerability in Sealevel Seaconnect_370w, classified under Out-of-bounds Write. CVSS score: 5.9/10. Published 2022-02-04.
- How severe is CVE-2021-21971?
- Medium severity. CVSS v3 base score is 5.9 out of 10.