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CVE-2025-13829

HIGH
8.6
CVSS Score
Published: December 1, 2025 at 03:47 PM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorNGSurvey

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Severity
HIGH8.6
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Incorrect Authorization vulnerability in Data Illusion Zumbrunn NGSurveyallows 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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

NGSurvey· Data Illusion Zumbrunn
90%
0 ≤ v < 3.6.170
Affected range stops below 3.6.17, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryRelease Notes
Source: cverecord
https://docs.ngsurvey.com/installation-setup/change-log#id-3.6.17-2025-05-28

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHTCS-CERT
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-863

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