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CVE Record

CVE-2019-15006: There was a man-in-the-middle (MITM) vulnerability present in the Confluence Previews plugin in Confluence...

There was a man-in-the-middle (MITM) vulnerability present in the Confluence Previews plugin in Confluence Server and Confluence Data Center. This plugin was used to facilitate communication with the Atlassian Companion application. The Confluence Previews plugin in Confluence Server and Confluence Data Center communicated with the Companion application via the atlassian-domain-for-localhost-connections-only.com domain name, the DNS A record of which points at 127.0.0.1. Additionally, a signed certificate for the domain was publicly distributed with the Companion application. An attacker in the position to control DNS resolution of their victim could carry out a man-in-the-middle (MITM) attack between Confluence Server (or Confluence Data Center) and the atlassian-domain-for-localhost-connections-only.com domain intended to be used with the Companion application. This certificate has been revoked, however, usage of the atlassian-domain-for-localhost-connections-only.com domain name was still present in Confluence Server and Confluence Data Center. An attacker could perform the described attack by denying their victim access to certificate revocation information, and carry out a man-in-the-middle (MITM) attack to observe files being edited using the Companion application and/or modify them, and access some limited user information.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This Confluence issue could let an attacker who controls a victim’s DNS resolution intercept local Companion app traffic. The practical risk is exposure or alteration of files edited through Atlassian Companion, plus limited user information. The sources do not show active exploitation or a CVSS score. Exposure is most relevant to Confluence Server and Data Center environments using the Confluence Previews plugin and Atlassian Companion editing workflow. The bundle lists affected Atlassian Confluence Server versions around 6.11.0, 6.14.0, 7.0.1, 7.1.0, and 7.2.0-beta1, but version range details are incomplete. Handle as a targeted data exposure and integrity risk, not an internet-scale emergency. Prioritize affected Confluence environments where Companion editing is used for confidential documents or where users operate on networks with weaker DNS trust. Mitigation focus: Review Atlassian’s advisory and CONFSERVER-59244 for official fixed versions and upgrade instructions.; Inventory Confluence Server and Data Center instances using Atlassian Companion file editing.; Prioritize remediation where users edit sensitive documents through Companion on untrusted networks..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AtlassianConfluence Server6.11.0, unspecified, 6.14.0, unspecified, 7.0.1, unspecified, 7.1.0, unspecified, 7.2.0-beta1, unspecifiedListed
Weakness

CWE details

No CWE listed

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