CVE-2019-3396
CVE-2019-3396 is a critical-severity vulnerability in Atlassian Confluence Server with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-22.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 100% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
- EU (EUVD) id: EUVD-2019-13035
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
- Weakness: CWE-22
- Affected product: Atlassian Confluence Server
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 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.
- How severe is CVE-2019-3396?
- CVE-2019-3396 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-3396 being actively exploited?
- Yes. CVE-2019-3396 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2019-3396?
- CVE-2019-3396 affects Atlassian Confluence Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-3396?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2019-3396 have an EU (EUVD) identifier?
- Yes. CVE-2019-3396 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-13035. It is also flagged as exploited in the EUVD (since 2021-11-03).
- When was CVE-2019-3396 published?
- CVE-2019-3396 was published on 2019-03-25 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
More vulnerabilities in Atlassian Confluence Server
- CVE-2023-22527 — Critical (CVSS 9.8): A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated…
- CVE-2023-22518 — Critical (CVSS 9.8): All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper…
- CVE-2023-22515 — Critical (CVSS 9.8): Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have…
- CVE-2022-26136 — Critical (CVSS 9.8): A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used…
- CVE-2022-26134 — Critical (CVSS 9.8): In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an…
- CVE-2021-26084 — Critical (CVSS 9.8): In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an…
All CVEs affecting Atlassian Confluence Server →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-76606 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Path Traversal via image element in Fabrik < 4.7.3 - ???.
- CVE-2026-18051 — Critical (CVSS 10.0): The W3 Total Cache WordPress plugin before 2.10.5 does not properly validate the request path it uses to build cache…
- CVE-2026-74764 — Critical (CVSS 10.0): Pandora contains a path traversal vulnerability in its TAR archive extraction functionality. When processing a…
- CVE-2026-16940 — Critical (CVSS 10.0): The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path before deletion, allowing…
- CVE-2026-67429 — Critical (CVSS 10.0): Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, image.download and related…
- CVE-2026-59555 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.3 versions.