Path traversal in Umbraco CMS - CVE-2023-49089

 

Path traversal in Umbraco CMS - CVE-2023-49089

Published: December 13, 2023


Vulnerability identifier: #VU84403
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-49089
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Umbraco
Affected software:
Umbraco CMS

Detailed vulnerability description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the backoffice component. A remote user with permissions to create packages can send a specially crafted HTTP request and write arbitrary files outside of the expected location.


How to mitigate CVE-2023-49089

Install update from vendor's website.

Sources