Auth bypass in Data Illusion Zumbrunn Ngsurvey

CVE-2025-13829

Incorrect Authorization vulnerability in Data Illusion Zumbrunn NGSurvey allows any logged-in user to obtain the private information of any other user. Critical information retrieved: * APIKEY (1 year user Session) * RefreshToken (10 minutes user Session) * Password hashed with bcrypt * User IP * Email * Full Name

Vulnerability class: Broken Access Control

Published · last modified .

EPSS exploit prediction

EPSS: 0.003 (20.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-13829: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References