Vulnerability identifier: #VU18738

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7838

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ColdFusion
Server applications / Application servers

Vendor: Adobe

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to an error when processing file uplaods. A remote attacker can bypass file extensions blacklist, upload and execute arbitrary file on the server.

Note: exploitation of this vulnerability is possible if file upload directory is web accessible.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ColdFusion: 11 - 11 Update 18, 10 Update 11, 2018 - 2018 Update 3, 2016 - 2016 Update 10

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External links
http://helpx.adobe.com/security/products/coldfusion/apsb19-27.html

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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 Internet.

Is there known malware, which exploits this vulnerability?

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