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CVE-2020-12873

HighPublished

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...

Published: Feb 19, 2021
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Aug 27, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

1.7%

Low · next 30 days

Percentile: 75.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2023-49964PoC
CVE-2023-49964: FreeMarker Server-Side Template Injection in Alfresco

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