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…
- 9.8CriticalCVSS base score
- 99.9%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 3 Nov 2021
- 4Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Nov 2021.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and 2 Exploit-DB entries for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits5
Metasploit modules1 module
- Atlassian Confluence Widget Connector Macro Velocity Template Injection (Metasploit module) (opens in a new tab)
exploit/multi/http/confluence_widget_connectorRank excellentdisclosed 25 Mar 2019
Nuclei templates1 template
- Atlassian Confluence Server - Path Traversal (Nuclei template) (opens in a new tab)
http/cves/2019/CVE-2019-3396.yamlSeverity critical
Exploit-DB2 entries
- Atlassian Confluence Widget Connector Macro - SSTI (Exploit-DB entry) (opens in a new tab)
EDB-ID 49465webapps, multiplepublished 22 Jan 2021Not verified
- Atlassian Confluence Widget Connector Macro - Velocity Template Injection (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 46731remote, multiplepublished 19 Apr 2019Verified
References tagged exploit1 reference
- 46731 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By atlassian
- 3 months later
· 3 months later
Published
- 3 years later
· 3 years later
Added to CISA KEV
Known exploited, also by ransomware
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 99.9% · top 0.1% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected unspecified – < 6.6.12
- affected 6.7.0 – < unspecified
- affected unspecified – < 6.12.3
- affected next of 6.13.0 – < unspecified
- affected unspecified – < 6.13.3
- affected next of 6.14.0 – < unspecified
- affected unspecified – < 6.14.2
References
References6
- https://jira.atlassian.com/browse/CONFSERVER-57974 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/152568/Atlassian-Confluence-Widget-Connector-Macro-Velocity-Template-Injection.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.rapid7.com/db/modules/exploit/multi/http/confluence_widget_connector (opens in a new tab)x_refsource_MISCx_transferred
- 46731 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://packetstormsecurity.com/files/161065/Atlassian-Confluence-6.12.1-Template-Injection.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3396 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-13035 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-3396)Record last updated .