CVE-2019-3395 Server-side request forgery in Confluence Server

Critical 9.8 Published 25 Mar 2019 Updated 17 Sep 2024

Remote attackers can exploit the WebDAV endpoint to perform Server-Side Request Forgery, allowing arbitrary HTTP requests from the server.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-3395?

CVE-2019-3395 is a critical server-side request forgery vulnerability in Atlassian Confluence Server, published on 25 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-918

Which versions are affected by CVE-2019-3395?

It affects 2 products.

Products include Atlassian Confluence, Atlassian Confluence Server.

How do I fix CVE-2019-3395?

No fix has been published for CVE-2019-3395 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2019-3395 being exploited?

There is no known exploitation of CVE-2019-3395 in the wild and no public exploit code.

Sources

Also known as GHSA-63p3-c254-6c5g.