Vulnerability identifier: #VU60348

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21959

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SeaConnect 370W
Hardware solutions / Firmware

Vendor: Sealevel Systems

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation in the MQTTS functionality. A remote attacker can perform a man-in-the-middle attack and control the device functionality.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SeaConnect 370W: 1.3.34

---

External links
http://talosintelligence.com/vulnerability_reports/TALOS-2021-1388

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.