CVE-2017-10817: Intercom Malion

Critical severity, CVSS 9.8. EPSS: 3.1% chance of exploitation in the next 30 days.

MaLion for Windows and Mac 5.0.0 to 5.2.1 allows remote attackers to bypass authentication to alter settings in Relay Service Server.

Affected products

• Intercom Malion: up to and including 5.2.1

Published 2017-08-04. Last modified 2026-06-17.