Vulnerability in Atlassian Alfresco Enterprise Content Management

CVE-2020-12873

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: 0.016 (73.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-12873?
CVE-2020-12873 is a high-severity vulnerability in Atlassian Alfresco Enterprise Content Management, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2021-02-19.
How severe is CVE-2020-12873?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-12873 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.