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Fencer Intel
high 7.8

CVE-2015-5374 in the critical feed json

A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant M…

published 2015-07-18 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-5330

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
74.5%
EPSS 74.5% chance of exploitation in 30 days, percentile 99.4%
public exploits
2
Metasploit, Exploit-DB

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-15-202-01 updated cvss 7.8

Siemens SIPROTEC Denial-of-Service Vulnerability

  • Siemens EN100 Ethernet module <=V4.24 Siemens SIPROTEC 4 and SIPROTEC Compact product families
    affected: mitigation “Siemens has provided firmware update V4.25 for the EN100 module to fix the vulnerability.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

cisa ICSA-17-187-03F updated cvss 8.6

ICSA-17-187-03F Siemens SIPROTEC 4 and SIPROTEC Compact (Update F)

  • Siemens EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 <1.02.02
    affected: mitigation siemens.com
  • Siemens Firmware variant DNP3 TCP for EN100 Ethernet module <V1.03 Siemens Firmware variant IEC 104 for EN100 Ethernet module <V1.21 Siemens Firmware variant Modbus TCP for EN100 Ethernet module <V1.11.00 Siemens Firmware variant PROFINET IO for EN100 Ethernet module <V1.04.01
    affected: vendor fix, mitigation support.industry.siemens.com
  • Siemens SIPROTEC 7SD686 <V_4.03, <V_4.05 Siemens SIPROTEC 7SJ66 <V_4.20, <V_4.30 Siemens SIPROTEC 7SJ686 <V_4.83, <V_4.87 Siemens SIPROTEC 7UT686 <V_4.01, <V_4.02
    affected: mitigation siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Timeline

  1. Published
  2. First public exploit (EDB-44103)

Exploit prediction

74.50% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-19 Data Processing Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.