Vulnerability · Published Apr 14, 2022 · Assigned by talos
CVE-2021-21967
Medium 6.5
In plain English
A medium-severity buffer overflow in SeaConnect 370W from Sealevel Systems, Inc.. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.0)6.5Medium
Exploit odds (30 days)0.7%top 45.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An out-of-bounds 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 denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sealevel Systems, Inc. | SeaConnect 370W | v1.3.34 |
Weakness: CWE-120 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1394 x_refsource_MISC