{"id":"CVE-2019-13940","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-13940","generatedAt":"2026-10-29T00:59:32.283Z","title":"A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8…","description":"A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions < V3.X.17), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX 2010 (All versions), SIMATIC WinAC RTX F 2010 (All versions), SIPLUS ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions < V3.X.17). Affected devices contain a vulnerability that could cause a denial of service condition of the web server\r\nby sending specially crafted HTTP requests to ports 80/tcp and 443/tcp.\r\n\r\nBeyond the web service, no other functions or interfaces are affected by the denial of service condition.","published":"2020-02-11T16:15:15.000Z","lastModified":"2026-06-17T02:17:27.000Z","status":"Modified","sourceIdentifier":"productcert@siemens.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["siemens/s7-1200 cpu 1211c firmware","siemens/s7-1200 cpu 1212c firmware","siemens/s7-1200 cpu 1214c firmware","siemens/s7-1200 cpu 1215c firmware","siemens/s7-1200 cpu 1217c firmware","siemens/s7-1200 cpu 1212fc firmware","siemens/s7-1200 cpu 1214fc firmware","siemens/s7-1200 cpu 1215fc firmware","siemens/siplus s7-1200 firmware","siemens/siplus cpu 1211c firmware","siemens/siplus cpu 1212c firmware","siemens/siplus cpu 1214c firmware","siemens/siplus cpu 1215c firmware","siemens/simatic s7-300 cpu 319-3 pn\\/dp firmware","siemens/simatic s7-300 cpu 315-2dp firmware","siemens/simatic s7-300 cpu 315-2 pn\\/dp firmware","siemens/simatic s7-300 cpu 317-2 dp firmware","siemens/simatic s7-300 cpu 317-2 pn\\/dp firmware","siemens/siplus s7-300 cpu 314 firmware","siemens/siplus s7-300 cpu 315-2 dp firmware","siemens/siplus s7-300 cpu 315-2 pn\\/dp firmware","siemens/siplus s7-300 cpu 317-2 pn\\/dp firmware","siemens/simatic s7-400 pn\\/dp cpu firmware","siemens/simatic winac rtx \\(f\\) 2010"],"epss":{"score":0.01702,"percentile":0.77114,"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 (1.70%). 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/pdf/ssa-431678.pdf","tags":["Vendor Advisory"],"source":"productcert@siemens.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-13940","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."}