Servers and applications
CVE-2021-39241
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.
- Severity
- Medium 5.3
- Published
- 17 Aug 2021
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 2.0.24, 2.2.16, 2.3.13, 2.4.3
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
HAProxyServers and applications · cpe:a:haproxy:haproxy |
|