CVE-2019-3851
MEDIUMCVSS 4.3/10EPSS 0.90%
Last modified
CVE-2019-3851 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.
Description
A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.
Metrics
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | >= 3.5.0, < 3.5.5 |
| Moodle | Moodle | >= 3.6.0, < 3.6.3 |
| Fedoraproject | Fedora | All versions |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3851Issue Tracking, Patch, Third Party Advisory
- https://moodle.org/mod/forum/discuss.php?d=384014#p1547746Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3851Issue Tracking, Patch, Third Party Advisory
- https://moodle.org/mod/forum/discuss.php?d=384014#p1547746Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-3851?
A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.
How severe is CVE-2019-3851?
CVE-2019-3851 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3851?
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-2019-3851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST