VULNERABILITY INTELLIGENCE

CVE-2017-6027

CVSS score9.8 CRITICAL

EPSS probability2.63%

CISA KEVNot currently listed

Published2017-05-19

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An Arbitrary File Upload issue was discovered in 3S-Smart Software Solutions GmbH CODESYS Web Server. The following versions of CODESYS Web Server, part of the CODESYS WebVisu web browser visualization software, are affected: CODESYS Web Server Versions 2.3 and prior. A specially crafted web server request may allow the upload of arbitrary files (with a dangerous type) to the CODESYS Web Server without authorization which may allow remote code execution.

Weakness classification

CWE-434: Unrestricted Upload of File with Dangerous Type

Primary references

ics-cert@hq.dhs.gov — Third Party Advisory, VDB Entry
ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource