CVE-2020-12873 json
An issue was discovered in Alfresco Enterprise Content Management (ECM) before 6.2.1.
published 2021-02-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5154
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
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.
Patch / fix
- atlassian alfresco_enterprise_content_management 6.2.1
Exploit prediction
1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
issues.alfresco.com
/jira/browse/MNT-21510
issue-tracking, permissions-required, vendor-advisory
-
securitylab.github.com
/advisories/GHSL-2020-039-alfresco
third-party-advisory
Sources
- CVE List CVE-2020-12873
- NVD CVE-2020-12873
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.