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Vulnerability record · CVE-2017-2680 · published 11 May 2017

CVE-2017-2680: Siemens simatic cp 343-1 std firmware uncontrolled resource consumption vulnerability

Siemens · Simatic Cp 343 1 Std Firmware

Specially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a local Ethernet segment (Layer 2). Human interaction is required to recover the systems. PROFIBUS interfaces are not affected.

7.1 CVSS 4.0 High EPSS 1.1% · top 34.4% CWE-400 · Uncontrolled resource consumption
7.1CVSS 4.0 base score, v2 6.1
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
93Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

Specially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a local Ethernet segment (Layer 2). Human interaction is required to recover the systems. PROFIBUS interfaces are not affected.

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

93 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/98369 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038463 Third Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/html/ssa-284673.html
https://cert-portal.siemens.com/productcert/html/ssa-293562.html
https://cert-portal.siemens.com/productcert/html/ssa-546832.html
https://cert-portal.siemens.com/productcert/pdf/ssa-284673.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-023-02 Third Party AdvisoryUS Government Resource
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284673.pdf Broken Link
http://www.securityfocus.com/bid/98369 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038463 Third Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/html/ssa-284673.html
https://cert-portal.siemens.com/productcert/html/ssa-293562.html
https://cert-portal.siemens.com/productcert/html/ssa-546832.html
https://cert-portal.siemens.com/productcert/pdf/ssa-284673.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-023-02 Third Party AdvisoryUS Government Resource
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284673.pdf Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-2680), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.