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TI-2017-03937 Aliases CVE-2017-6027GHSA-r8qw-6xxq-mjrp

Unrestricted file upload in 3S-Smart Software Solutions GmbH CODESYS Web Server

Priority MEDIUM 47CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

EPSS 0.02633 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—3S-Smart Software Solutions GmbH CODESYS Web Server3S-Smart Software Solutions GmbH CODESYS Web Server—No fix listedCNA
  • 3S-Smart Software Solutions GmbH CODESYS Web Server Vendor— Affected 3S-Smart Software Solutions GmbH CODESYS Web Server Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:codesys:web_server:*:*:*:*:*:*:*:*up to 2.3VulnerableCODESYS
  • cpe:2.3:a:codesys:web_server:*:*:*:*:*:*:*:* Versions up to 2.3 Vulnerable ·CODESYS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6027
  2. 2026-10-03 Alias added: GHSA-r8qw-6xxq-mjrp

References

Advisory 1

  • TI-2017-03935 Stack-based buffer overflow in 3S-Smart Software Solutions GmbH CODESYS Web Server CVSS 3.0CRITICAL 9.8
  • TI-2022-13697 Insecure transmission of credentials in CODESYS Development System CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences