vulnerability
Ubuntu: (CVE-2019-17567): apache2 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | Jun 10, 2021 | Jun 26, 2025 | Jun 26, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Jun 10, 2021
Added
Jun 26, 2025
Modified
Jun 26, 2025
Description
Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server was tunneling the whole connection regardless, thus allowing for subsequent requests on the same connection to pass through with no HTTP validation, authentication or authorization possibly configured.
Solution
no-fix-ubuntu-package
References
- CVE-2019-17567
- https://attackerkb.com/topics/CVE-2019-17567
- http://www.openwall.com/lists/oss-security/2021/06/10/2
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2019-17567
- https://lists.apache.org/thread.html/r90f693a5c9fb75550ef1412436d5e682a5f845beb427fa6f23419a3c@%3Cannounce.httpd.apache.org%3E
- https://www.cve.org/CVERecord?id=CVE-2019-17567
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.