#VU23806 Man-in-the-Middle (MitM) attack in Atlassian Confluence Server - CVE-2019-15006

Vulnerability identifier: #VU23806

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

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: 6.11.0 - 6.15.9, 7.0.1 - 7.0.4, 7.1.0 - 7.1.1

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