CVE-2016-7113
highpriority · track · 31EPSS 0.030 · 87 %ileEUUSEPSS · scored 2026-10-27
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 80/tcp could cause the affected device to go into defect mode.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedEN100 Ethernet modules as optional for Reyrollecisa_csaf_ot
For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-452237 at the following location:
- FixedFirmware variant DNP3 TCP for EN100 Ethernet modulecisa_csaf_ot
Install V1.03 - Download: https://support.industry.siemens.com/cs/us/en/view/109745821
https://support.industry.siemens.com/cs/us/en/view/109745821 - FixedFirmware variant IEC 104 for EN100 Ethernet modulecisa_csaf_ot
Install V1.21 - Download: https://support.industry.siemens.com/cs/us/en/view/109745821
https://support.industry.siemens.com/cs/us/en/view/109745821 - FixedFirmware variant Modbus TCP for EN100 Ethernet modulecisa_csaf_ot
Install V1.11.00 - Download: https://support.industry.siemens.com/cs/us/en/view/109745821
https://support.industry.siemens.com/cs/us/en/view/109745821 - FixedFirmware variant PROFINET IO for EN100 Ethernet modulecisa_csaf_ot
Install V1.04.01 - Download: https://support.industry.siemens.com/cs/us/en/view/109745821
https://support.industry.siemens.com/cs/us/en/view/109745821 - FixedIEC 61850 firmwarecisa_csaf_ot
In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:
- FixedTPOP firmwarecisa_csaf_ot
In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:
- MitigationEN100 Ethernet module (as optional for SIPROTEC 4 and SIPROTEC Compact)cisa_csaf_ot
Siemens provides firmware update V4.29 for EN100 modules included in SIPROTEC 4 and SIPROTEC Compact devices to fix the vulnerabilities. Siemens recommends users update to the latest firmware version.
- MitigationEN100 Ethernet module included in SIPROTEC Merging Unit 6MU80cisa_csaf_ot
Install V1.02.02 - Download: Please contact the Siemens hotline at support.energy@siemens.com
- MitigationFirmware variant DNP3 TCP for EN100 Ethernet modulecisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationFirmware variant IEC 104 for EN100 Ethernet modulecisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationFirmware variant Modbus TCP for EN100 Ethernet modulecisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationFirmware variant PROFINET IO for EN100 Ethernet modulecisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationSIPROTEC 7SD686cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationSIPROTEC 7SJ66cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationSIPROTEC 7SJ686cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
- MitigationSIPROTEC 7UT686cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk: Restrict network access to port 80/TCP and port 50000/UDP
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- siemens en100 ethernet module firmware= 4.28nvdUScpe:2.3:a:siemens:en100_ethernet_module_firmware:*:*:*:*:*:*:*:*
advisories (4)
Vendor and ecosystem advisories describing this.
- ICSA-16-250-01Siemens SIPROTEC 4 and SIPROTEC Compact Vulnerabilities2016-06-10icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
- ICSA-17-187-02Siemens Reyrolle2017-07-06icsa · cisa_csaf_otUS
ATTENTION: Remotely exploitable/low skill level to exploit.
- ICSA-17-187-03FICSA-17-187-03F Siemens SIPROTEC 4 and SIPROTEC Compact (Update F)2017-07-04icsa · cisa_csaf_otUS
CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.
- ICSA-17-334-01Siemens SWT30002017-11-30icsa · cisa_csaf_otUS
ATTENTION: Remotely exploitable/low skill level to exploit.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdfcnnvd
- http://www.securityfocus.com/bid/92748enisa_euvd
- http://www.securityfocus.com/bid/99471enisa_euvd
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdfenisa_euvd
- https://ics-cert.us-cert.gov/advisories/ICSA-17-187-03enisa_euvd
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdfenisa_euvd
- http://www.securityfocus.com/bid/92748nvd
- http://www.securityfocus.com/bid/99471nvd
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