CVE-2021-31927: Annexcloud Loyalty Experience Platform

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

An Insecure Direct Object Reference (IDOR) vulnerability in Annex Cloud Loyalty Experience Platform <2021.1.0.1 allows any authenticated attacker to modify any existing user, including users assigned to different environments and clients. It was fixed in v2021.1.0.2.

Affected products

• Annexcloud Loyalty Experience Platform: before 2020.1.0.1 (fixed in 2020.1.0.1)

Published 2021-06-10. Last modified 2026-06-17.