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Description

GN4 Publishing System versions prior to 2.6 contain an insecure direct object reference (IDOR) vulnerability via the API. Authenticated requests to the API's object endpoints allow an authenticated user to request arbitrary user IDs and receive sensitive account data for those users, including the stored password and the account's security question and answer. The exposed recovery data and encrypted password may be used to reset or take over the target account.

PUBLISHED Reserved 2025-04-15 | Published 2025-10-24 | Updated 2025-10-27 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-639 Authorization Bypass Through User-Controlled Key

Product status

Default status
unaffected

Any version before 2.6
affected

Credits

Victor A. Morales, Senior Pentester Team Leader, GMSecTec Inc. finder

Omar Crespo, Pentester, GMSecTec Inc. finder

References

www.miles33.com/...s/5955/naviga--miles-33--acquisition.html media-coverage related

nne.navigacloud.com/GN4Help/gn4_introduction_to_gn4.htm product

www.miles33.com/section/14/gn4 product

www.vulncheck.com/...hing-system-idor-information-disclosure third-party-advisory

cve.org (CVE-2025-34293)

nvd.nist.gov (CVE-2025-34293)

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