system
Describe <CVE-2021-31927>.
user
What is <CVE-2021-31927>?
assistant
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..