CVE-2020-12873: GHSL-2020-039: Server-side template injection in Alfresco - CVE-2020-12873
A user with privileges to edit a FreeMarker template (e.g. a webscript) may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running Alfresco.
Other sources
An issue was discovered in Alfresco Enterprise Content Management (ECM) before 6.2.1. A user with privileges to edit a FreeMarker template (e.g., a webscript) may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running Alfresco.
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-12873?
CVE-2020-12873 is considered a critical vulnerability due to the potential for arbitrary code execution.
How do I fix CVE-2020-12873?
To fix CVE-2020-12873, you should upgrade Alfresco Enterprise Content Management to version 6.2.1 or later.
Who is affected by CVE-2020-12873?
CVE-2020-12873 affects users with editing privileges on FreeMarker templates in Alfresco Enterprise Content Management versions before 6.2.1.
What type of vulnerability is CVE-2020-12873?
CVE-2020-12873 is a remote code execution vulnerability due to improper handling of FreeMarker templates.
What are the potential consequences of CVE-2020-12873?
Exploitation of CVE-2020-12873 could lead to unauthorized access to sensitive data and system commands being executed with elevated privileges.