CVE-2017-6027
9.8 · CRITICALOverview
CVE-2017-6027 is a critical-severity vulnerability affecting codesys web_server. It was published on May 19, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from codesys. Update web_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| codesys | web_server | 0 | Affected |
Frequently Asked Questions
What is CVE-2017-6027?
CVE-2017-6027 is a critical-severity vulnerability affecting codesys web_server. It was published on May 19, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2017-6027?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-6027?
Check the references section for vendor advisories and patches from codesys. Update web_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-6027?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-6027 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related CRITICAL CVEs from 2017
View all →Vulnerability in the Primavera P6 Enterprise Project Portfolio Management component of Oracle Primav
An issue was discovered in Radisys MRF Web Panel (SWMS) 9.0.1. The MSM_MACRO_NAME POST parameter in
SQL injection vulnerability in the Group Promotions module in the admin control panel in MyBB (aka M
A vulnerability in the web-based GUI of Cisco Prime Home could allow an unauthenticated, remote atta
IBM BigFix Platform could allow a remote attacker to execute arbitrary code on the system, caused by
IBM UrbanCode Deploy could allow a user to execute code using a specially crafted file upload that w
An issue was discovered in Schneider Electric ConneXium firewalls TCSEFEC23F3F20 all versions, TCSEF
An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Seri
An issue was discovered in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.0
An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV pr
An exploitable buffer overflow exists in the psnotifyd application of the Pharos PopUp printer clien
A buffer overflows exists in the psnotifyd application of the Pharos PopUp printer client version 9.