CVE-2025-0672
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-23

Last updated on: 2025-10-03

Assigner: WSO2 LLC

Description
An authentication bypass vulnerability exists in multiple WSO2 products when FIDO authentication is enabled. When a user account is deleted, the system does not automatically remove associated FIDO registration data. If a new user account is later created using the same username, the system may associate the new account with the previously registered FIDO device. This flaw may allow a previously deleted user to authenticate using their FIDO credentials and impersonate the newly created user, resulting in unauthorized access. The vulnerability applies only to deployments that utilize FIDO-based authentication.
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Meta Information
Published
2025-09-23
Last Modified
2025-10-03
Generated
2026-06-16
AI Q&A
2025-09-23
EPSS Evaluated
2026-06-14
NVD
CVE-2025-0672
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
wso2 identity_server 5.10.0
wso2 identity_server 5.11.0
wso2 identity_server_as_key_manager 5.10.0
wso2 open_banking_iam 2.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
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Executive Summary

This vulnerability is an authentication bypass issue in multiple WSO2 products when FIDO authentication is enabled. When a user account is deleted, the system does not remove the associated FIDO registration data. If a new user account is created later with the same username, the system may link the new account to the old FIDO device, allowing the previously deleted user to authenticate and impersonate the new user.

Impact Analysis

This vulnerability can allow unauthorized access by enabling a previously deleted user to authenticate using their old FIDO credentials and impersonate a newly created user with the same username. This could lead to unauthorized access to the new user's account and potentially sensitive information.

Mitigation Strategies

To mitigate this vulnerability, ensure that when a user account is deleted, all associated FIDO registration data is also removed to prevent reuse of FIDO credentials by a new user with the same username. Additionally, review and restrict FIDO-based authentication usage and monitor user account deletions to verify proper cleanup of authentication data.

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