Home/CVE/Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability
CVE

CVE-2019-3396

Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability

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.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.94471 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

◆

Threat Actors Linked

3
actorAPT41
actorAPT27
actorSea Turtle
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

4
atlassian confluence server< 6.6.12
atlassian confluence server>= 6.7.0 and < 6.12.3
atlassian confluence server>= 6.13.0 and < 6.13.3
atlassian confluence server>= 6.14.0 and < 6.14.2
⚠

Public Exploits & PoCs

7
webappsAtlassian Confluence Widget Connector Macro - SSTI2021-01-22
remoteAtlassian Confluence Widget Connector Macro - Velocity Template Injection (Metasploit)verified
nucleiAtlassian Confluence Server - Path Traversalcritical
pocpacketstormsecurity.com · Atlassian-Confluence-Widget-Connector-Macro-Velocity-Temp...packetstormsecurity.com
pocpacketstormsecurity.com · Atlassian-Confluence-6.12.1-Template-Injection.htmlpacketstormsecurity.com
pocwww.rapid7.com · confluence_widget_connectorwww.rapid7.com
pocwww.exploit-db.com · 46731www.exploit-db.com
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalBitbucket Unauthorized Full Data Export Triggered
relatedcriticalBitbucket Unauthorized Access To A Resource
relatedcriticalAntivirus Exploitation Framework Detection
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalAntivirus Ransomware Detection
relatedcriticalLinux Reverse Shell Indicator
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Mar 2019 · 07:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2019-3396
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/CONFSERVER-57974Issue TrackingPatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3396US Government Resource
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