CVE-2019-3398: Atlassian Confluence Server and Data Center Path Traversal Vulnerability

CVE-2019-3398 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03

Atlassian Confluence Server and Data Center contain a path traversal vulnerability in the downloadallattachments resource. A remote attacker with specific permissions (such as adding attachments or space administration) can exploit this to write files to arbitrary locations, potentially leading to remote code execution.

Technologies: Atlassian Confluence Server, Atlassian Data Center. Vendors: Atlassian.

Quick answers

Is CVE-2019-3398 exploited in the wild?
Yes. CVE-2019-3398 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2019-3398?
Critical severity, with a CVSS score of 8.8, published 3 November 2021.
Which products and versions are affected?
Atlassian Confluence Server 2.0.0 to < 6.6.13, 6.7.0 to < 6.12.4, 6.13.0 to < 6.13.4, 6.14.0 to < 6.14.3, 6.15.0 to < 6.15.2; Atlassian Confluence Data Center 2.0.0 to < 6.6.13, 6.7.0 to < 6.12.4, 6.13.0 to < 6.13.4, 6.14.0 to < 6.14.3, 6.15.0 to < 6.15.2.
Is there a fix for CVE-2019-3398?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2019-3398 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2019-3398?
Check whether you run Atlassian Confluence Server or Atlassian Data Center. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Atlassian Confluence Server 2.0.0 to < 6.6.13, 6.7.0 to < 6.12.4, 6.13.0 to < 6.13.4, 6.14.0 to < 6.14.3, 6.15.0 to < 6.15.2
  • Atlassian Confluence Data Center 2.0.0 to < 6.6.13, 6.7.0 to < 6.12.4, 6.13.0 to < 6.13.4, 6.14.0 to < 6.14.3, 6.15.0 to < 6.15.2

Timeline

  • 2019-04-17: disclosed: Initial public disclosure and bugtraq mailing list entry
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Confirmed exploited in the wild per CISA KEV catalog

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