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CVE-2016-4784

5.3 · MEDIUM
Published May 31, 2016 siemens CWE-200 EPSS 2.68% (85th pctl)

Overview

CVE-2016-4784 is a medium-severity vulnerability affecting siemens siprotec_firmware. It was published on May 31, 2016 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A vulnerability has been identified in firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions < V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions < V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions < V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions < 1.02.02; SIPROTEC 7SJ686 : All versions < V 4.83; SIPROTEC 7UT686 : All versions < V 4.01; SIPROTEC 7SD686 : All versions < V 4.03; SIPROTEC 7SJ66 : All versions < V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.

Remediation

Check the references section for vendor advisories and patches from siemens. Update siprotec_firmware 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

References

Ref www.securityfocus.com/bid/90773 Ref www.securityfocus.com/bid/99471 Ref www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-547990.pdf Ref ics-cert.us-cert.gov/advisories/ICSA-16-140-02 Ref ics-cert.us-cert.gov/advisories/ICSA-17-187-03 Ref www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdf Ref www.securityfocus.com/bid/90773 Ref www.securityfocus.com/bid/99471 Ref www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-547990.pdf Ref ics-cert.us-cert.gov/advisories/ICSA-16-140-02

Frequently Asked Questions

What is CVE-2016-4784?

CVE-2016-4784 is a medium-severity vulnerability affecting siemens siprotec_firmware. It was published on May 31, 2016 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

How severe is CVE-2016-4784?

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-4784?

Check the references section for vendor advisories and patches from siemens. Update siprotec_firmware 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-2016-4784?

CyberStrike's AI-powered security agents can automatically detect CVE-2016-4784 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

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.
Continuous Pentesting

Automated penetration testing that runs continuously, not just quarterly.
Code Review

AI-driven PR review catches vulnerable dependencies before they ship.
HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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