CVE-2025-67437: Medical Management System Auth Bypass

CVE-2025-67437 Overview

CVE-2025-67437 is an insecure permissions vulnerability in Medical Management System commit a81df1ce700a9662cb136b27af47f4cbde64156b. The flaw permits unauthenticated attackers to reset the password of arbitrary user accounts. Missing access control checks on the password reset functionality allow any network-based actor to take over accounts, including privileged ones. The weakness is classified under [CWE-284: Improper Access Control]. The issue affects confidentiality and integrity of user credentials and downstream patient and clinical data managed by the application.

Critical Impact

Network-reachable attackers can reset passwords for any user account without authentication, enabling full account takeover across the Medical Management System deployment.

Affected Products

• Medical Management System at commit a81df1ce700a9662cb136b27af47f4cbde64156b
• Deployments tracked in the Gitee Issue Report
• Deployments tracked in the GitHub CVE Issue Discussion

Discovery Timeline

• 2026-05-15 - CVE-2025-67437 published to NVD
• 2026-05-18 - Last updated in NVD database

Technical Details for CVE-2025-67437

Vulnerability Analysis

The Medical Management System exposes a password reset workflow that does not verify the identity or authorization of the requester. An attacker supplies a target username or user identifier and submits a new password, and the application updates the stored credential without validating session ownership, recovery tokens, or administrative role. This pattern falls under [CWE-284: Improper Access Control].

Because the attack vector is network based and requires no privileges or user interaction, exploitation is straightforward in any environment where the application is reachable. Successful exploitation yields account takeover, which in a clinical context exposes patient records, scheduling data, and provider workflows to unauthorized modification.

Root Cause

The password reset endpoint omits server-side authorization checks. It trusts client-supplied user identifiers and processes credential changes without binding the request to an authenticated session, a verified email or SMS challenge, or a single-use recovery token. Server-side enforcement of authorization is the missing control.

Attack Vector

Exploitation occurs over the network against the application's password reset endpoint. An attacker issues a crafted HTTP request specifying a victim user identifier and a new password value. The server accepts the update and returns a success response. The attacker then authenticates as the victim using the new credential. Refer to the Gitee Issue Report and the GitHub CVE Issue Discussion for reproduction details.

No verified proof-of-concept code is available in the public record at this time, so the vulnerability is described in prose only.

Detection Methods for CVE-2025-67437

Indicators of Compromise

• Unexpected successful password reset events for accounts that did not initiate a recovery request.
• Authentication events for a user from a new IP address or user agent immediately following a password change.
• Bursts of HTTP requests targeting the application's password reset endpoint from a single source.
• Helpdesk reports from clinicians or administrators who can no longer log in to the Medical Management System.

Detection Strategies

• Inspect web server and application logs for password reset requests that lack an associated authenticated session or prior recovery token issuance.
• Correlate password change events with subsequent successful logins from unusual geolocations or devices.
• Alert on password resets for high-privilege accounts such as administrators, physicians, or billing roles.

Monitoring Recommendations

• Forward application access logs to a centralized log platform and retain them for incident review.
• Monitor the password reset endpoint for anomalous request volume or sequential enumeration of user identifiers.
• Track account lockout, login failure, and password change metrics together to surface takeover patterns early.

How to Mitigate CVE-2025-67437

Immediate Actions Required

• Restrict network exposure of the Medical Management System to trusted networks or VPN clients until a fix is deployed.
• Disable or front the password reset endpoint with a web application firewall rule that blocks unauthenticated reset requests.
• Force a password reset for all existing user accounts and invalidate active sessions.
• Review authentication and password change logs since the application was first deployed to identify suspicious activity.

Patch Information

No vendor patch or fixed commit is referenced in the published CVE record. Track the Gitee Issue Report and the GitHub CVE Issue Discussion for updates from the project maintainers.

Workarounds

• Add a server-side authorization check that binds password reset requests to an authenticated session or a single-use recovery token sent to a verified contact channel.
• Require the current password for in-session credential changes and require multi-factor verification for out-of-session recovery.
• Place the application behind a reverse proxy that enforces authentication before forwarding requests to sensitive endpoints.
• Apply rate limiting and per-account lockout policies on the password reset endpoint to slow enumeration and abuse.

# Example NGINX configuration to restrict the password reset endpoint
location /user/resetPassword {
    allow 10.0.0.0/8;
    deny all;
    limit_req zone=reset_zone burst=5 nodelay;
    proxy_pass http://mms_backend;
}