CVE-2021-21959
HIGH 8.1EPSS 0.8%
A misconfiguration exists in the MQTTS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. This misconfiguration significantly simplifies a man-in-the-middle attack, which directly leads to control of device functionality.
- Affected
- Sealevel
- CVSS v3.1 NVD
- 8.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.0 CISCO
- 7.7 HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H - CVSS v2.0 NVD
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 0.84% chance of exploitation in the next 30 days, 57th percentile
- Published
- 2022-02-04
- Updated
- 2025-04-15