{"id":"CVE-2017-2681","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-2681","generatedAt":"2026-10-28T19:04:55.833Z","title":"Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product.","description":"Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product. Human interaction is required to recover the system. PROFIBUS interfaces are not affected.","published":"2017-05-11T10:29:00.000Z","lastModified":"2026-06-17T01:16:39.000Z","status":"Modified","sourceIdentifier":"productcert@siemens.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","vector":"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/M"},"cwe":["CWE-400"],"affected":["siemens/simatic cp 343-1 std firmware","siemens/simatic cp 343-1 lean firmware","siemens/simatic cp 343-1 adv firmware","siemens/simatic cp 443-1 std firmware","siemens/simatic cp 443-1 adv firmware","siemens/simatic cp 443-1 opc-ua firmware","siemens/simatic cp 1243-1 firmware","siemens/simatic cm 1542-1 firmware","siemens/simatic cp 1543sp-1 firmware","siemens/simatic cp 1542sp-1 irc firmware","siemens/simatic cp 1543-1 firmware","siemens/simatic rf650r firmware","siemens/simatic rf680r firmware","siemens/simatic rf685r firmware","siemens/simatic cp 1616 firmware","siemens/simatic cp 1604 firmware","siemens/simatic dk-16xx pn io firmware","siemens/scalance x200 firmware","siemens/scalance x200 irt firmware","siemens/scalance x300 firmware","siemens/scalance x408 firmware","siemens/scalance x414 firmware","siemens/scalance xm400 firmware","siemens/scalance xr500 firmware","siemens/scalance w700 firmware","siemens/scalance m-800 firmware","siemens/scalance s615 firmware","siemens/softnet profinet io firmware","siemens/ie\\/pb-link firmware","siemens/ie\\/as-i link pn io firmware","siemens/simatic teleservice adapter standard modem firmware","siemens/simatic teleservice adapter ie basic modem firmware","siemens/simatic teleservice adapter ie advanced modem firmware","siemens/sitop psu8600 firmware","siemens/ups1600 profinet firmware","siemens/simatic et 200al firmware","siemens/simatic et 200ecopn firmware","siemens/simatic et 200m firmware","siemens/simatic et 200mp firmware","siemens/simatic et 200pro firmware","siemens/simatic et 200s firmware","siemens/simatic et 200sp firmware","siemens/pn\\/pn coupler firmware","siemens/dk standard ethernet controller firmware","siemens/ek-ertec 200p pn io firmware","siemens/ek-ertec 200 pn io firmware","siemens/simatic s7-200 smart firmware","siemens/simatic s7-300 firmware","siemens/simatic s7-400 firmware","siemens/simatic s7-1200 firmware","siemens/simatic s7-1500 firmware","siemens/simatic winac rtx firmware","siemens/sirius act 3su1 firmware","siemens/sirius soft starter 3rw44 pn firmware","siemens/sirius motor starter m200d profinet firmware","siemens/simocode pro v profinet firmware","siemens/sinamics dcm firmware","siemens/sinamics dcp firmware","siemens/sinamics g110m firmware","siemens/sinamics g120\\(c\\/p\\/d\\) pn firmware"],"epss":{"score":0.00906,"percentile":0.59667,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/98369","tags":["Third Party Advisory","VDB Entry"],"source":"productcert@siemens.com"},{"url":"http://www.securitytracker.com/id/1038463","tags":["Third Party Advisory","VDB Entry"],"source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-293562.html","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdf","tags":["Vendor Advisory"],"source":"productcert@siemens.com"},{"url":"https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-293562.pdf","tags":["Broken Link"],"source":"productcert@siemens.com"},{"url":"http://www.securityfocus.com/bid/98369","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038463","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-293562.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-293562.pdf","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2681","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}