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VulnerabilityPublished

CVE-2025-13829: Data Illusion Zumbrunn NGSurvey · Incorrect Authorization

Affects Data Illusion Zumbrunn NGSurveySource CVE Database V5

0

Not known to be exploited · CVSS 8.6 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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/AU:Y

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Data Illusion Zumbrunn NGSurveyAffected
  • =0
Fixed in–

AI-suggested

  1. Immediately restrict access to NGSurvey to trusted users and networks until a patch is available.
  2. Implement strict role-based access control (RBAC) and enforce least privilege principles to limit user permissions.
  3. Conduct thorough code reviews and add robust authorization checks to ensure users can only access their own data.
  4. Rotate all API keys and refresh tokens to invalidate potentially compromised credentials.
  5. Enhance monitoring and logging to detect unusual access patterns or data exfiltration attempts.
  6. Educate users about phishing risks that may arise from leaked PII.
  7. If possible, isolate NGSurvey instances and segment networks to contain potential breaches.
  8. Engage with the vendor for timely patch releases and apply updates promptly once available.
  9. Consider multi-factor authentication (MFA) to reduce the risk of unauthorized access using stolen credentials.
  10. Perform regular penetration testing and vulnerability assessments focusing on authorization controls.

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

References

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