CVE-2019-3396
The Widget Connector macro in Atlassian Confluence Server before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the…
Browse: All 2019 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2021-11-03, remediation due 2022-05-03)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-22
- Published
- 2019-03-25
- Last modified
- 2026-06-17
- NVD status
- Analyzed
Description
The Widget Connector macro in Atlassian Confluence Server before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 before 6.13.3 (the fixed version for 6.13.x), and from version 6.14.0 before 6.14.2 (the fixed version for 6.14.x), allows remote attackers to achieve path traversal and remote code execution on a Confluence Server or Data Center instance via server-side template injection.
Affected products
- atlassian confluence server
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-03.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- http://packetstormsecurity.com/files/152568/Atlassian-Confluence-Widget-Connector-Macro-Velocity-Template-Injection.html
- http://packetstormsecurity.com/files/161065/Atlassian-Confluence-6.12.1-Template-Injection.html
- http://www.rapid7.com/db/modules/exploit/multi/http/confluence_widget_connector
- https://jira.atlassian.com/browse/CONFSERVER-57974
- https://www.exploit-db.com/exploits/46731/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3396
FAQ
Is CVE-2019-3396 actively exploited?
Yes. CISA added CVE-2019-3396 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, with a federal remediation deadline of 2022-05-03. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2019-3396?
CVE-2019-3396 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2026-21589 — Atlassian Multiple Products
- CVE-2021-26086 — Atlassian Jira Server and Data Center
- CVE-2023-22527 — Atlassian Confluence Data Center and Serve
- CVE-2023-22518 — Atlassian Confluence Data Center and Serve
- CVE-2023-22515 — Atlassian Confluence Data Center and Serve
- CVE-2022-36804 — Atlassian Bitbucket Server and Data Center
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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