CVE-2019-3878 - CVE House
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Status published High CVE-2019-3878

A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache...

Vulnerability Description

A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache is configured as a reverse proxy and mod_auth_mellon is configured to only let through authenticated users (with the require valid-user directive), adding special HTTP headers that are normally used to start the special SAML ECP (non-browser based) can be used to bypass authentication.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

mod_auth_mellon
Vulnerable Versions:
before v0.14.2

Timeline

Official Publish: March 26th, 2019
Last Modified: August 4th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses (CWE)

CWE-305

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.