CVE-2019-3395

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-25 · updated 2026-06-17
Weakness: CWE-918

Description

The WebDAV endpoint in Atlassian Confluence Server and Data Center before version 6.6.7 (the fixed version for 6.6.x), from version 6.7.0 before 6.8.5 (the fixed version for 6.8.x), and from version 6.9.0 before 6.9.3 (the fixed version for 6.9.x) allows remote attackers to send arbitrary HTTP and WebDAV requests from a Confluence Server or Data Center instance via Server-Side Request Forgery.

Affected products

Atlassian Confluence: before 6.6.12; from 6.7.0 before 6.12.3 — fixed in 6.12.3, 6.6.12
Atlassian Confluence Data Center: from 6.13.0 before 6.13.3; from 6.14.0 before 6.14.2 — fixed in 6.13.3, 6.14.2

How to fix

Upgrade to a fixed version: Atlassian Confluence 6.12.3, 6.6.12; Atlassian Confluence Data Center 6.13.3, 6.14.2. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2019-3395 or the next vulnerability affects your stack