CVE-2015-5374: A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP f...

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. Specially crafted packets sent to port 50000/UDP could cause a denial-of-service of the affected device. A manual reboot may be required to recover the service of the device.

Metrics

EPSS Probability

74.50%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-19

Affected Software

Vendor	Product	Versions
Siemens	Siprotec Firmware	4.24

References

Timeline

Published: Jul 18, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5374?

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. Specially crafted packets sent to port 50000/UDP could cause a denial-of-service of the affected device. A manual reboot may be required to recover the service of the device.

How severe is CVE-2015-5374?

Severity scoring for CVE-2015-5374 is pending analysis. The EPSS model estimates a 74.50% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5374?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.