Vulnerability identifier: #VU23806

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15006

CWE-ID: CWE-300

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Atlassian Confluence Server
Server applications / Web servers

Vendor: Atlassian

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle attack.

The vulnerability exists within the Confluence Previews plugin in Confluence Server and Confluence Data Center. A remote attacker can perform a MitM attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Atlassian Confluence Server: 7.1.0 - 7.1.1, 7.0.1 - 7.0.4, 6.15.1 - 6.15.9, 6.14.0 - 6.14.3, 6.13.0 - 6.13.9, 6.12.0 - 6.12.4, 6.11.0 - 6.11.2

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External links
http://confluence.atlassian.com/doc/confluence-security-advisory-2019-12-18-982324349.html
http://jira.atlassian.com/browse/CONFSERVER-59244
http://seclists.org/bugtraq/2019/Dec/36
http://twitter.com/SwiftOnSecurity/status/1202034106495832067

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.