High7.2Netgate pfSense

High [CVE-2019-11816] Incorrect access control in the WebUI in OPNsense before version 19.1.8, and pfsense before 2.4.4-p3

This high-severity Netgate pfSense advisory covers CVE-2019-11816 affecting pfSense.

CVE-2019-11816 Published May 20, 2019Updated by vendor Jun 17, 2026

CVE-2019-11816

Affected products & platforms

Netgate pfSenseUnclassified

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Summary

Incorrect access control in the WebUI in OPNsense before version 19.1.8, and pfsense before 2.4.4-p3 allows remote authenticated users to escalate privileges to administrator via a specially crafted request.

Affected versions

19.1.8
2.4.4-p3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

2.4.4-p3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 2.4.4-p3. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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