CVE-2020-5811

MEDIUM

Umbraco CMS <=8.9.1 - Path Traversal

Title source: llm

Description

An authenticated path traversal vulnerability exists during package installation in Umbraco CMS <= 8.9.1 or current, which could result in arbitrary files being written outside of the site home and expected paths when installing an Umbraco package.

Exploits (1)

exploitdb WORKING POC

by BitTheByte · pythonwebappsaspx

https://www.exploit-db.com/exploits/50241

View Code ZIP pw:eip

References (2)

[Exploit, Third Party Advisory, VDB Entry] http://packetstormsecurity.com/files/163965/Umbraco-CMS-8.9.1-Traversal-Arbitrary-File-Write.html

[Exploit, Third Party Advisory] https://www.tenable.com/security/research/tra-2020-59

Scores

CVSS v3 6.5

EPSS 0.0261

EPSS Percentile 85.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Details

CWE

CWE-22

Status published

Products (2)

nuget/UmbracoCms 0 - 8.9.2NuGet

umbraco/umbraco_cms < 8.9.1

Published Dec 30, 2020

Tracked Since Feb 18, 2026