CVE-2019-3396

Confirmed PUBLISHED

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...

Atlassian · Confluence Server

Exploited in the wild Used in malware PoC available

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

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Confidence

Confirmed

Exploitation Status

Exploited in the wild

Observed in Sensors

Attempts (30d)

—

Unique Attacker IPs

—

CISA KEV

In CISA KEV

CVSS / EPSS

9.8 Critical EPSS 99.9%

At a Glance

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.

malware cisa ransomware nuclei_scanner metasploit

CVE Published: Mar 25, 2019
Exploitation Reported: Nov 03, 2021
CVSS: 9.8 Critical
EPSS: 99.9%

Remote Low complexity No user interaction Unauthenticated

Affected Versions

Vendor	Product	Version	Status
Atlassian	Confluence Server	unspecified to < 6.6.12	Affected
Atlassian	Confluence Server	6.7.0 to < unspecified	Affected
Atlassian	Confluence Server	unspecified to < 6.12.3	Affected
Atlassian	Confluence Server	next of 6.13.0 to < unspecified	Affected
Atlassian	Confluence Server	unspecified to < 6.13.3	Affected
Atlassian	Confluence Server	next of 6.14.0 to < unspecified	Affected
Atlassian	Confluence Server	unspecified to < 6.14.2	Affected

CVE References

46731 exploit-db.com · Exploit https://www.exploit-db.com/exploits/46731/
jira.atlassian.com/browse/CONFSERVER-57974 jira.atlassian.com · CVE Record https://jira.atlassian.com/browse/CONFSERVER-57974
packetstormsecurity.com/files/152568/Atlassian-Confluence-Widget-Con... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/152568/Atlassian-Confluence-Widg...
rapid7.com/db/modules/exploit/multi/http/confluence_wid... rapid7.com · CVE Record http://www.rapid7.com/db/modules/exploit/multi/http/confluence_widget...
packetstormsecurity.com/files/161065/Atlassian-Confluence-6.12.1-Tem... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/161065/Atlassian-Confluence-6.12...

Recommended Actions

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

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Source	Added
CISA First	2021-11-03 00:00 UTC
The Shadowserver	2026-06-01 00:00 UTC

Scanner Artifacts

Nuclei and Metasploit references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-3396.yaml	Apr 25, 2025
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/confluence_widget_connector.rb	Apr 28, 2025

CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 10.0 High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitation Status

Exploited in the wild

Recorded 2021-11-03 00:00:00 UTC · CISA

Used in malware

Recorded 2021-11-03 00:00:00 UTC · CISA

Proof of concept available

Recorded 2019-04-09 03:26:06 UTC · GitHub

Weaknesses (CWE)

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Scanner Integrations

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/confluence_widget_connector.rb	Apr 28, 2025
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-3396.yaml	Apr 25, 2025

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Avento/CVE-2019-3396-Memshell-for-Behinder

github · Created 2024-05-21 08:20:01 UTC · 2 stars

CVE-2019-3396 Memshell for Behinder

W2Ning/CVE-2019-3396

github · Created 2019-12-12 07:40:22 UTC · 0 stars

For test

am6539/CVE-2019-3396

github · Created 2019-11-21 03:07:08 UTC · 0 stars

vntest11/confluence_CVE-2019-3396

github · Created 2019-04-28 05:59:21 UTC · 0 stars

Confluence Widget Connector path traversal (CVE-2019-3396)

quanpt103/CVE-2019-3396

github · Created 2019-04-10 17:05:10 UTC · 0 stars

Confluence Widget Connector RCE - ptquan

s1xg0d/CVE-2019-3396

github · Created 2019-04-10 07:39:42 UTC · 0 stars

pyn3rd/CVE-2019-3396

github · Created 2019-04-10 02:24:29 UTC · 39 stars

Confluence Widget Connector RCE

jas502n/CVE-2019-3396

github · Created 2019-04-10 02:22:24 UTC · 144 stars

Confluence 未授权 RCE (CVE-2019-3396) 漏洞

Yt1g3r/CVE-2019-3396_EXP

github · Created 2019-04-10 02:15:47 UTC · 174 stars

CVE-2019-3396 confluence SSTI RCE

xiaoshuier/CVE-2019-3396

github · Created 2019-04-09 11:01:41 UTC · 0 stars

x-f1v3/CVE-2019-3396

github · Created 2019-04-09 06:20:51 UTC · 22 stars

Confluence Widget Connector path traversal (CVE-2019-3396)

dothanthitiendiettiende/CVE-2019-3396

github · Created 2019-04-09 03:26:06 UTC · 0 stars

Confluence Widget Connector RCE

Atlassian Confluence Server - Path Traversal

nuclei · Created Unknown

confluence_widget_connector

metasploit · Created Unknown

Metasploit module for CVE-2019-3396

Timeline

Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.

1 Jun 2026 00:00 UTC about 2 months ago

1 Jun 2026 00:00 UTC · about 2 months ago

KEV confirmed by The Shadowserver

Exploitation attested by an external source
28 Apr 2025 15:02 UTC about 1 year ago

28 Apr 2025 15:02 UTC · about 1 year ago

Metasploit module available

Exploit module available
25 Apr 2025 00:00 UTC about 1 year ago

25 Apr 2025 00:00 UTC · about 1 year ago

Nuclei template available

Scanner coverage available
3 Nov 2021 00:00 UTC over 4 years ago

3 Nov 2021 00:00 UTC · over 4 years ago

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
3 Nov 2021 00:00 UTC over 4 years ago

3 Nov 2021 00:00 UTC · over 4 years ago

First public exploitation report

Exploit observed in malware
9 Apr 2019 03:26 UTC over 7 years ago

9 Apr 2019 03:26 UTC · over 7 years ago

Public PoC available

Public proof-of-concept code published
25 Mar 2019 18:37 UTC over 7 years ago

25 Mar 2019 18:37 UTC · over 7 years ago

CVE published

Vulnerability disclosed publicly
19 Dec 2018 00:00 UTC over 7 years ago

19 Dec 2018 00:00 UTC · over 7 years ago

CVE ID reserved

Identifier reserved by the CNA

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Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2019-3396

{
  "cve_id": "CVE-2019-3396",
  "title": "The Widget Connector macro in Atlassian Confluence Server before version 6.6....",
  "affected_vendor": "Atlassian",
  "affected_product": "Confluence Server",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": 0.99913,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2019-3396

At a Glance

Affected Versions

CVE References

Recommended Actions

Known Exploited Vulnerability Sources

Scanner Artifacts

Virtual Patch

CVSS Scores

Exploitation Status

Weaknesses (CWE)

Scanner Integrations

Potential Proof of Concepts

Timeline

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