Authentication bypass using an alternate path or channel in AWK-3131A Series - CVE-2019-5165

Vulnerability identifier: #VU25534

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2019-5165

CWE-ID: CWE-288

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Moxa

Affected software:
AWK-3131A Series

The vulnerability exist due to improper implementation of the authentication process in the hostname. A remote authenticated attacker can send specially crafted SNMP requests and trigger authentication bypass on specially configured device.

Install updates from vendor's website.

• https://www.moxa.com/en/support/support/security-advisory/awk-3131a-series-industrial-ap-bridge-client-vulnerabilities
• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0960