Improper Certificate Validation in Moxa products - CVE-2022-43993
Published: March 27, 2023
Vulnerability identifier: #VU74034
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-43993
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate verification in the Windows driver manager software. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack and eavesdrop on an encrypted communication.
Affected software
NPort 6000 Series
Windows Driver Manager Series (Windows 7 to 10 and Windows Server 2008 R2 to 2019- WHQL certified)
Windows Driver Manager Series (Windows 11 and Server 2022 and later- WHQL certified)
Windows Driver Manager Series (Windows 7 to 10 and Windows Server 2008 R2 to 2019- WHQL certified)
Windows Driver Manager Series (Windows 11 and Server 2022 and later- WHQL certified)
How to mitigate CVE-2022-43993
Install updates from vendor's website.
Windows Driver Manager Series (Windows 7 to 10 and Windows Server 2008 R2 to 2019- WHQL certified) - update to 3.5
Windows Driver Manager Series (Windows 11 and Server 2022 and later- WHQL certified) - update to 4.1
Windows Driver Manager Series (Windows 11 and Server 2022 and later- WHQL certified) - update to 4.1