{"id":"CVE-2017-12741","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-12741","generatedAt":"2026-10-29T00:47:29.761Z","title":"Specially crafted packets sent to port 161/udp could cause a denial of service condition.","description":"Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.","published":"2017-12-26T04:29:14.000Z","lastModified":"2026-06-17T01:03:53.000Z","status":"Modified","sourceIdentifier":"productcert@siemens.com","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/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 s7-200 firmware","siemens/simatic s7-400pn v6 firmware","siemens/simatic s7-400h v6 firmware","siemens/simatic s7-400pn\\/dp v7 firmware","siemens/simatic s7-410 v8 firmware","siemens/simatic s7-300 firmware","siemens/simatic s7-1200 firmware","siemens/simatic s7-1500 firmware","siemens/simatic s7-1500 controller firmware","siemens/simatic winac rtx f 2010 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/dk standard ethernet controller firmware","siemens/ek-ertec 200p firmware","siemens/ek-ertec 200pn io firmware","siemens/simotion d firmware","siemens/simotion c firmware","siemens/simotion p firmware","siemens/sinamics dcm firmware","siemens/sinamics dcp firmware","siemens/sinamics g110m\\/g120pn firmware","siemens/sinamics g130 firmware","siemens/sinamics g150 firmware","siemens/sinamics s110pn firmware","siemens/sinamics s120 firmware","siemens/sinamics s150 v4.7 firmware","siemens/sinamics s150 v4.8 firmware","siemens/sinamics v90pn firmware","siemens/sinumerik 840d sl firmware","siemens/simatic compact field unit firmware","siemens/simatic pn\\/pn coupler firmware","siemens/simocode pro v profinet firmware","siemens/sirius soft starter 3rw44pn firmware"],"epss":{"score":0.03315,"percentile":0.88508,"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 (3.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-141614.html","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-346262.html","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-546832.html","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf","source":"productcert@siemens.com"},{"url":"https://www.securityfocus.com/bid/101964","source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-141614.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-346262.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-546832.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.securityfocus.com/bid/101964","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-12741","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."}