An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the GET /admin? HTTP/1.1 /static/images HTTP/1.1 example.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Haproxy | Haproxy | 2.0.0 (including) | 2.0.24 (excluding) |
| Haproxy | Haproxy | 2.2.0 (including) | 2.2.16 (excluding) |
| Haproxy | Haproxy | 2.3.0 (including) | 2.3.13 (excluding) |
| Haproxy | Haproxy | 2.4.0 (including) | 2.4.3 (excluding) |