Improper Neutralization of Special Elements in Output Used by a Downstream Component in Mattermost Server - CVE-2017-18900

 

Improper Neutralization of Special Elements in Output Used by a Downstream Component in Mattermost Server - CVE-2017-18900

Published: June 19, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30211
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-18900
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mattermost, Inc.
Affected software:
Mattermost Server

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows CSV injection via a compliance report.


How to mitigate CVE-2017-18900

Install update from vendor's website.

Sources