How severe is CVE-2025-13829?

CVE-2025-13829 has a CVSS 4.0 base score of 8.6, rated high severity.

Is CVE-2025-13829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-13829?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-13829 have an EU (EUVD) identifier?

Yes. CVE-2025-13829 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200016.

When was CVE-2025-13829 published?

CVE-2025-13829 was published on 2025-12-01 and last updated on 2026-06-17.

CVE-2025-13829

CVE-2025-13829 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 4.0 base score 8.6)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200016
Weakness: CWE-863
Published: 2025-12-01
Last modified: 2026-06-17

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

Frequently asked questions

What is 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
How severe is CVE-2025-13829?: CVE-2025-13829 has a CVSS 4.0 base score of 8.6, rated high severity.
Is CVE-2025-13829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-13829?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-13829 have an EU (EUVD) identifier?: Yes. CVE-2025-13829 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200016.
When was CVE-2025-13829 published?: CVE-2025-13829 was published on 2025-12-01 and last updated on 2026-06-17.

References

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

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