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Vulnerability record · CVE-2025-13829 · published 1 December 2025

CVE-2025-13829: Incorrect authorization vulnerability

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

8.6 CVSS 4.0 High EPSS 0.30% · top 79.3% CWE-863 · Incorrect authorization Deferred
8.6CVSS 4.0 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
3 Sep 2026Last modified by NVD

Description

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:

References

LinkTags
https://docs.ngsurvey.com/installation-setup/change-log#id-3.6.17-2025-05-28

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-13829), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.