Path Traversal in Atlassian Confluence Server

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…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.999 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-3396?
CVE-2019-3396 is a critical-severity vulnerability in Atlassian Confluence Server, classified under Path Traversal. CVSS score: 9.8/10. Published 2019-03-25.
How severe is CVE-2019-3396?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-3396 known to be exploited?
Yes. CVE-2019-3396 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 118 public proof-of-concept repositories are indexed.