CVE-2019-3878
8.1 · HIGHOverview
CVE-2019-3878 is a high-severity vulnerability affecting mod_auth_mellon_project mod_auth_mellon. It was published on March 26, 2019 and has a CVSS 3.0 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from mod_auth_mellon_project. Update mod_auth_mellon to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mod_auth_mellon_project | mod_auth_mellon | >= 0, < 0.14.2 | Affected |
References
Frequently Asked Questions
What is CVE-2019-3878?
CVE-2019-3878 is a high-severity vulnerability affecting mod_auth_mellon_project mod_auth_mellon. It was published on March 26, 2019 and has a CVSS 3.0 base score of 8.1 (HIGH).
How severe is CVE-2019-3878?
This vulnerability has a CVSS 3.0 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-3878?
Check the references section for vendor advisories and patches from mod_auth_mellon_project. Update mod_auth_mellon to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-3878?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-3878 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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