What’s Vulnerable › Vulnerabilities

CVE-2017-6027

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-19 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• 3S-Smart Software Solutions GmbH CODESYS Web Server: through 2.3

References

• http://www.securityfocus.com/bid/97174
• https://ics-cert.us-cert.gov/advisories/ICSA-17-087-02
• http://www.securityfocus.com/bid/97174
• https://ics-cert.us-cert.gov/advisories/ICSA-17-087-02

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