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.
Conclusion & alert: CVE-2019-3395 is rated High Risk (70.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.71%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 8.04% | 6.71% | -1.32% |
| 2 | 2026-03-23 | 10.85% | 8.04% | -2.82% |
| 3 | 2026-03-18 | — | 10.85% | — |
Full EPSS history (45 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| atlassian | confluence | < 6.6.12 | cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:* |
| atlassian | confluence | >= 6.7.0, < 6.12.3 | cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:* |
| atlassian | confluence_server | >= 6.13.0, < 6.13.3 | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
| atlassian | confluence_server | >= 6.14.0, < 6.14.2 | cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jira.atlassian.com/browse/CONFSERVER-57971 | Issue Tracking Patch Vendor Advisory |