Auth bypass in Umbraco Umbraco-cms

CVE-2023-49273

Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, users with low privileges (Editor, etc.) are able to access some unintended endpoints. Versions 8.18.10, 10…

Vulnerability class: Broken Access Control

EPSS: 0.003 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

  • Umbraco Umbraco-cms — versions >= 8.0.0, < 8.18.10, >= 9.0.0-rc001, < 10.8.1, >= 11.0.0-rc1, < 12.3.4

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-49273?
CVE-2023-49273 is a medium-severity vulnerability in Umbraco Umbraco-cms, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2023-12-12.
How severe is CVE-2023-49273?
Medium severity. CVSS v3 base score is 5.4 out of 10.