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CVE-2019-3398

Atlassian Confluence Server and Data Center Path Traversal

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 97.0%
  1. Published18 Apr 2019
  2. Added to CISA KEV3 Nov 2021
  3. Remediation due3 May 2022
Actively exploited (CISA KEV)

Atlassian Confluence Server and Data Center contain a path traversal vulnerability in the downloadallattachments resource that may allow a privileged, remote attacker to write files. Exploitation can lead to remote code execution.

Added to KEV: 3 Nov 2021Federal remediation due: 3 May 2022

Description

Confluence Server and Data Center had a path traversal vulnerability in the downloadallattachments resource. A remote attacker who has permission to add attachments to pages and / or blogs or to create a new space or a personal space or who has 'Admin' permissions for a space can exploit this path traversal vulnerability to write files to arbitrary locations which can lead to remote code execution on systems that run a vulnerable version of Confluence Server or Data Center. All versions of Confluence Server from 2.0.0 before 6.6.13 (the fixed version for 6.6.x), from 6.7.0 before 6.12.4 (the fixed version for 6.12.x), from 6.13.0 before 6.13.4 (the fixed version for 6.13.x), from 6.14.0 before 6.14.3 (the fixed version for 6.14.x), and from 6.15.0 before 6.15.2 are affected by this vulnerability.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Atlassian Confluence Server≥ 2.0 < 6.6.13 · ≥ 6.13.0 < 6.13.4 · ≥ 6.14.0 < 6.14.3 · ≥ 6.15.0 < 6.15.2

Remediation

Fixed in
Atlassian Confluence Server≥ 6.6.13

References

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Frequently asked

Is CVE-2019-3398 being actively exploited?

Yes. CVE-2019-3398 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021.

How severe is CVE-2019-3398?

CVE-2019-3398 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 97.0% probability of exploitation.

Which products are affected by CVE-2019-3398?

Affected products include Atlassian Confluence Server.

How do I fix CVE-2019-3398?

Upgrade affected software to a fixed version, for example Atlassian Confluence Server 6.6.13 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2019-3398 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.