What is CVE-2021-31929?

CVE-2021-31929 is a medium-severity vulnerability in Annexcloud Loyalty Experience Platform, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.3/10. Published 2021-06-10.

How severe is CVE-2021-31929?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Annexcloud Loyalty Experience Platform

CVE-2021-31929

Annex Cloud Loyalty Experience Platform <2021.1.0.1 allows any authenticated attacker to modify loyalty campaigns and settings, such as fraud prevention, coupon groups, email templates, or referrals.

Published 2021-06-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Annexcloud Loyalty Experience Platform

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md (Third Party Advisory)
www.annexcloud.com/ (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2021-31929?: CVE-2021-31929 is a medium-severity vulnerability in Annexcloud Loyalty Experience Platform, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.3/10. Published 2021-06-10.
How severe is CVE-2021-31929?: Medium severity. CVSS v3 base score is 4.3 out of 10.