Auth bypass in Bigtreecms Bigtree

CVE-2018-20405

BigTree 4.3 allows full path disclosure via authenticated admin/news/ input that triggers a syntax error. NOTE: This has been disputed with the following reasoning: "The issue reported requires full developer level access to the content management system where cross site scripting is not an issue -- you already have full control of the CMS including running arbitrary PHP.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.008 (53.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-20405?
CVE-2018-20405 is a low-severity vulnerability in Bigtreecms Bigtree, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2018-12-23.
How severe is CVE-2018-20405?
Low severity. CVSS v3 base score is 2.7 out of 10.