CVE-2017-6027

CRITICAL

Codesys Web Server < 2.3 - Unrestricted File Upload

Title source: rule

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.

References (2)

Core 2

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/97174

Third Party Advisory, US Government Resource x_refsource_misc

https://ics-cert.us-cert.gov/advisories/ICSA-17-087-02

Scores

CVSS v3 9.8

EPSS 0.0186

EPSS Percentile 83.2%

Attack Vector NETWORK

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

Details

CWE

CWE-434

Status published

Products (2)

codesys/web_server < 2.3

n/a/3S-Smart Software Solutions GmbH CODESYS Web Server 3S-Smart Software Solutions GmbH CODESYS Web Server

Published May 19, 2017

Tracked Since Feb 18, 2026