CISA KEV · Known exploitedHigh

CVE-2019-3398

Atlassian Confluence Server and Data Center

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 (th...

CVSS: 8.8
EPSS: 97.2%
CISA KEV: Listed
Published: 2019.04.19

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability97.2%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Atlassian Confluence Server and Data Center
Affected versions: 2.0.0, unspecified, 6.7.0, 6.13.0, 6.14.0, 6.15.0, >= 2.0 < 6.6.13, >= 6.7.0 < 6.12.4, >= 6.13.0 < 6.13.4, >= 6.14.0 < 6.14.3, >= 6.15.0 < 6.15.2
Fixed versions: 6.6.13, 6.12.4, 6.13.4, 6.14.3, 6.15.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.05.03

1
Identify
Confirm that Atlassian Confluence Server and Data Center and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-22
KEV added: 2021.11.03
Ransomware use: 미확인