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Medium · 6.5 Public exploit CVE-2020-5811 EUVD-2021-0802GHSA-936x-wgqv-hhgq

Authenticated path traversal in Umbraco CMS

Published Dec 30, 2020 · Updated Aug 4, 2024 · Assigned by tenable

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.

Affected products

VendorProductAffectedFixed
— Umbraco CMS <= 8.9.1 or current (unfixed) —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
NuGet UmbracoCms < 8.9.2 8.9.2 GHSA-936x-wgqv-hhgq

References