Home/CVE/Specially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a loc
CVE

CVE-2017-2680

Specially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a loc

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.

MEDIUM · CVSS 6.5 EPSS 0.02335
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

60
siemens simatic cp 343-1 std firmware< 3.1.3
siemens simatic cp 343-1 lean firmware< 3.1.3
siemens simatic cp 343-1 adv firmwareall versions
siemens simatic cp 443-1 std firmware< 3.2.17
siemens simatic cp 443-1 adv firmware< 3.2.17
siemens simatic cp 443-1 opc-ua firmwareall versions
siemens simatic cp 1243-1 firmware< 2.1.82
siemens simatic cm 1542-1 firmware< 2.0
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · productcert@siemens.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2017 · 01:29 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
siemens-csafSSA-293562
cisa-csafcisa-csaf-csaf_files-OT-white-2017-icsa-17-129-02
cisa-csafcisa-csaf-csaf_files-OT-white-2018-icsa-18-023-02
cisa-csafcisa-csaf-csaf_files-OT-white-2018-icsa-18-128-01
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/98369Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038463Third 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.pdfVendor Advisory
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