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CVE-2019-15006

6.5 · MEDIUM

There was a man-in-the-middle (MITM) vulnerability present in the Confluence Previews plugin in Confluence Server and Confluence Data Center.

Published Dec 19, 2019CWE-913EPSS 1.91%

Overview

CVE-2019-15006 is a medium-severity vulnerability. It was published on December 19, 2019 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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 This certificate has been revoked, however, usage of the atlassian-domain-for-localhost-connections-only.com domain name was

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/155742/Atlassian-Confluence-Man-In-The-Middle.htmlRefconfluence.atlassian.com/doc/confluence-security-advisory-2019-12-18-982324349.htmlRefjira.atlassian.com/browse/CONFSERVER-59244Refseclists.org/bugtraq/2019/Dec/36Reftwitter.com/SwiftOnSecurity/status/1202034106495832067Refpacketstormsecurity.com/files/155742/Atlassian-Confluence-Man-In-The-Middle.htmlRefconfluence.atlassian.com/doc/confluence-security-advisory-2019-12-18-982324349.htmlRefjira.atlassian.com/browse/CONFSERVER-59244Refseclists.org/bugtraq/2019/Dec/36Reftwitter.com/SwiftOnSecurity/status/1202034106495832067

How CyberStrike helps

Frequently asked questions

What is CVE-2019-15006?

CVE-2019-15006 is a medium-severity vulnerability. It was published on December 19, 2019 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2019-15006?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-15006?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-15006?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-15006 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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