CVE-2014-8478
highpriority · track · 32EPSS 0.022 · 82 %ileEUUSEPSS · scored 2026-10-27
The web server on Siemens SCALANCE X-300 switches with firmware before 4.0 and SCALANCE X 408 switches with firmware before 4.0 allows remote attackers to cause a denial of service (reboot) via malformed HTTP requests.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationSCALANCE X-300 switch familycisa_csaf_ot
Siemens provides firmware update V4.0, which fixes the vulnerabilities, and recommends updating as soon as possible. The firmware update is available at: http://support.automation.siemens.com/WW/view/en/107178573 Siemens also recommends protecting network access to all products except for perimeter devices with appropriate mechanisms. It is advised to follow recommended security practices and to configure the environment according to operational guidelines in order to run the devices in a protected IT environment. Siemens operational guidelines are available at: http://www.industry.siemens.com/topics/global/en/industrial-security/Documents/operational_guidelines_industrial_security_en.pdf For more information on these vulnerabilities and detailed instructions, please see Siemens Security Advisory SSA-321046 at the following location: http://www.siemens.com/cert/advisories
- MitigationSCALANCE X408cisa_csaf_ot
Siemens provides firmware update V4.0, which fixes the vulnerabilities, and recommends updating as soon as possible. The firmware update is available at: http://support.automation.siemens.com/WW/view/en/107178573 Siemens also recommends protecting network access to all products except for perimeter devices with appropriate mechanisms. It is advised to follow recommended security practices and to configure the environment according to operational guidelines in order to run the devices in a protected IT environment. Siemens operational guidelines are available at: http://www.industry.siemens.com/topics/global/en/industrial-security/Documents/operational_guidelines_industrial_security_en.pdf For more information on these vulnerabilities and detailed instructions, please see Siemens Security Advisory SSA-321046 at the following location: http://www.siemens.com/cert/advisories
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 · 6.6–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- siemens scalance x-300 series firmware≤ 3.9.3nvdUScpe:2.3:a:siemens:scalance_x-300_series_firmware:*:*:*:*:*:*:*:*
- siemens scalance x-408 firmware≤ 3.9.3nvdUScpe:2.3:a:siemens:scalance_x-408_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-15-020-01Siemens SCALANCE X-300/X408 Switch Family DOS Vulnerabilities2015-10-23icsa · 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
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-321046.pdfcnnvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-321046.pdfcnnvd
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-321046.pdfenisa_euvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-321046.pdfenisa_euvd
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-321046.pdfVendor Advisorynvd
- https://cert-portal.siemens.com/productcert/pdf/ssa-321046.pdfnvd
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