CVE-2025-45731
BaseFortify
Publication date: 2025-07-24
Last updated on: 2025-07-28
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| 2fauth | 2fauth | 5.4.3 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a race condition in the group management feature of 2FAuth version 5.5.0. Specifically, when a group is deleted while other operations involving that group are still pending, the application improperly handles concurrent actions. This leads to data inconsistencies such as orphaned accounts (accounts referencing deleted groups), database integrity errors, and inconsistent group membership. The problem arises because operations like account assignment and group deletion are not properly synchronized, causing foreign key constraint violations and confusion when groups are recreated with new IDs but old references remain. [1]
How can this vulnerability impact me? :
The vulnerability can cause significant impacts including data corruption, orphaned user accounts, unauthorized access due to inconsistent group membership, and potential denial of service. It can also lead to database integrity violations and errors that disrupt normal application functionality. These issues may result in service disruption and loss of trust in the application's security and reliability. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by monitoring for SQL integrity constraint errors (e.g., SQLSTATE[23000]) in the application logs, which indicate foreign key constraint violations during concurrent group deletion and account assignment operations. Additionally, look for 404 errors related to group operations that fail to clean up data, and check for orphaned accounts or inconsistent group membership in the database. Running the provided proof of concept Python script (group_vuln_poc.py) can also help reproduce and detect the issue in a test environment. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include implementing proper locking mechanisms using database transactions and lockForUpdate() to serialize access to group data, adding validation checks within transactions to confirm group existence before assigning accounts, and introducing optimistic locking by adding a version field to the groups table. These short-term fixes help prevent race conditions and data inconsistencies until long-term architectural and database improvements can be applied. [1]