// For flags

CVE-2020-5811

Umbraco CMS 8.9.1 - Directory Traversal

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta una vulnerabilidad de salto de ruta autenticada durante la instalación del paquete en Umbraco CMS versiones anteriores a 8.9.1 o actual, lo que podría resultar en la escritura de archivos arbitrarios fuera del inicio del sitio y las rutas esperadas cuando se instala un paquete Umbraco.

Umbraco CMS versions 8.9.1 and below suffer from path traversal and arbitrary file write vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-06 CVE Reserved
  • 2020-12-30 CVE Published
  • 2021-08-31 First Exploit
  • 2024-08-04 CVE Updated
  • 2024-09-16 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Umbraco
Search vendor "Umbraco"
Umbraco Cms
Search vendor "Umbraco" for product "Umbraco Cms"
<= 8.9.1
Search vendor "Umbraco" for product "Umbraco Cms" and version " <= 8.9.1"
-
Affected