CVE-2020-5811
Authenticated path traversal in Umbraco CMS
6.5
MEDIUM
CVSS 3.1
EPSS 2.6%
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.
How to fix CVE-2020-5811
To remediate CVE-2020-5811, upgrade the affected package to a fixed version below.
- NuGet/UmbracoCms—upgrade to 8.9.2 or later
Is CVE-2020-5811 being exploited?
Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8.9.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |