CVE-2019-11816
HIGHCVSS 7.2/10EPSS 3.27%
Last modified
CVE-2019-11816 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 3.27% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Netgate | Pfsense | <= 2.4.4 | — |
| Netgate | Pfsense | 2.4.4 | P1 |
| Opnsense | Opnsense | < 19.1.8 | — |
References
- https://forum.opnsense.org/index.php?topic=12787.0Release Notes, Vendor Advisory
- https://www.netgate.com/blog/pfsense-2-4-4-release-p3-now-available.htmlRelease Notes, Vendor Advisory
- https://forum.opnsense.org/index.php?topic=12787.0Release Notes, Vendor Advisory
- https://www.netgate.com/blog/pfsense-2-4-4-release-p3-now-available.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-11816?
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.
How severe is CVE-2019-11816?
CVE-2019-11816 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 3.27% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11816?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-11816?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST