CVE-2025-0672

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.

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
wso2	identity_server	All
wso2	identity_server	All
wso2	identity_server_as_key_manager	All
wso2	open_banking_iam	All

References

Advisories & Patches

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3134/

Frequently Asked Questions

What is CVE-2025-0672? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-0672? +

CVE-2025-0672 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-0672? +

CVE-2025-0672 affects products from wso2, specifically: identity_server, identity_server_as_key_manager, open_banking_iam. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0672? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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