Vulnerability identifier: #VU74036

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43994

CWE-ID: CWE-295

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
NPort 6000 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
Windows Driver Manager Series (Windows 11 and Server 2022 and later- WHQL certified)
Hardware solutions / Drivers
Windows Driver Manager Series (Windows 7 to 10 and Windows Server 2008 R2 to 2019- WHQL certified)
Hardware solutions / Drivers

Vendor: Moxa

Description

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

The vulnerability exists due to improper client certificate verification/authentication on the secure connection. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack and eavesdrop on an encrypted communication.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NPort 6000 Series: 2.2

Windows Driver Manager Series (Windows 11 and Server 2022 and later- WHQL certified): 4.0

Windows Driver Manager Series (Windows 7 to 10 and Windows Server 2008 R2 to 2019- WHQL certified): 3.4

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External links
http://www.moxa.com/en/support/product-support/security-advisory/nport-6000-series-and-utility-improper-certificate-validation-vulnerabilities

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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