CVE-2020-12873

Name: CVE-2020-12873
Creator: NVD / NIST
Published: 2021-02-19T23:15:12.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.62%

Last modified Jun 17, 2026

CVE-2020-12873 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.62% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.62%

72.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Atlassian	Alfresco Enterprise Content Management	< 6.2.1

References

https://issues.alfresco.com/jira/browse/MNT-21510Issue Tracking, Permissions Required, Vendor Advisory
https://securitylab.github.com/advisories/GHSL-2020-039-alfrescoThird Party Advisory
https://issues.alfresco.com/jira/browse/MNT-21510Issue Tracking, Permissions Required, Vendor Advisory
https://securitylab.github.com/advisories/GHSL-2020-039-alfrescoThird Party Advisory

Timeline

Published: Feb 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12873?

How severe is CVE-2020-12873?

CVE-2020-12873 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12873?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12873?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST