CVE-2019-17567

mod_proxy_wstunnel tunneling of non Upgraded connections

Published Jun 10, 2021 CVSS 3.1 · 5.3 Medium EPSS 59.7% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3818-1 apache2 security update
EUVD EUVD EUVD-2019-7905 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.11312}

epss

{'score': 0.07814}

Weaknesses
  • CWE-287

    Improper Authentication

  • CWE-444

    Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Aug 5, 2024, 1:40 AM
Reserved
Oct 14, 2019, 12:00 AM
Status
Modified
Published
Jun 10, 2021, 7:15 AM
Modified
Jun 17, 2026, 2:24 AM
Severity
Moderate
Public date
Jun 4, 2021, 12:00 AM