SB2023032709 - Multiple vulnerabilities in Moxa NPort 6000 Series and Windows driver manager

Security Bulletin ID SB2023032709

CSH Severity

Low

Patch available

YES

Number of vulnerabilities 2

Exploitation vector Adjecent network

Highest impact Information disclosure

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Certificate Validation (CVE-ID: CVE-2022-43993)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: 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/E:U/U:Clear

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.

2) Improper Certificate Validation (CVE-ID: CVE-2022-43994)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: 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/E:U/U:Clear

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.

Remediation

Install update from vendor's website.

References

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