CVE-2016-5765: Micro Focus Host Access Management And Security Server

Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Administrative Server in Micro Focus Host Access Management and Security Server (MSS) and Reflection for the Web (RWeb) and Reflection Security Gateway (RSG) and Reflection ZFE (ZFE) allows remote unauthenticated attackers to read arbitrary files via a specially crafted URL that allows limited directory traversal. Applies to MSS 12.3 before 12.3.326 and MSS 12.2 before 12.2.342 and RSG 12.1 before 12.1.362 and RWeb 12.3 before 12.3.312 and RWeb 12.2 before 12.2.342 and RWeb 12.1 before 12.1.362 and ZFE 2.0.1 before 2.0.1.18 and ZFE 2.0.0 before 2.0.0.52 and ZFE 1.4.0 before 1.4.0.14.

Affected products

• Micro Focus Host Access Management And Security Server: version 12.2 only; version 12.3 only
• Micro Focus Reflection For The Web: version 12.1 only; version 12.2 only; version 12.3 only
• Micro Focus Reflection Security Gateway: version 12.1 only
• Micro Focus Reflection Zfe: version 1.4.0.14 only; version 2.0.0.52 only; version 2.0.1.18 only

Published 2016-11-29. Last modified 2026-06-17.