CVEs / CVE-2019-3396
CVE-2019-3396: Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 99.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Atlassian Confluence Server and Data Center contain a server-side template injection vulnerability that may allow an attacker to achieve path traversal and remote code execution.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Atlassian Confluence Server | from unspecified, before 6.6.12 | 6.6.12 |
| Atlassian Confluence Server | from 6.7.0, before unspecified | unspecified |
| Atlassian Confluence Server | from unspecified, before 6.12.3 | 6.12.3 |
| Atlassian Confluence Server | from next of 6.13.0, before unspecified | unspecified |
| Atlassian Confluence Server | from unspecified, before 6.13.3 | 6.13.3 |
| Atlassian Confluence Server | from next of 6.14.0, before unspecified | unspecified |
| Atlassian Confluence Server | from unspecified, before 6.14.2 | 6.14.2 |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-22 |
References
- CVE-2019-3396 on NVD
- CVE-2019-3396 in the CISA KEV catalog
- http://packetstormsecurity.com/files/152568/Atlassian-Confluence-Widget-Connector-Macro-Velocity-Template-Injection.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/161065/Atlassian-Confluence-6.12.1-Template-Injection.html Exploit, Third Party Advisory, VDB Entry
- http://www.rapid7.com/db/modules/exploit/multi/http/confluence_widget_connector Exploit, Third Party Advisory, VDB Entry
- https://jira.atlassian.com/browse/CONFSERVER-57974 Issue Tracking, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46731/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3396 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.