{"id":"CVE-2019-13940","aliases":["EUVD-2019-5207","GHSA-2w4m-xhc4-2cxx"],"status":"published","title":"A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All...","description":"A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions \u003c 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 \u003c V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions \u003c 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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01702,"percentile":0.77573,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2020-02-11T15:36:10Z","modified":"2026-06-17T02:17:27Z","products":[{"vendor":"siemens","product":"s7-1200_cpu_1211c_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1212c_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1212fc_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1214c_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1214fc_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1215c_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1215fc_firmware"},{"vendor":"siemens","product":"s7-1200_cpu_1217c_firmware"},{"vendor":"siemens","product":"simatic et 200pro im154-8 pn/dp cpu"},{"vendor":"siemens","product":"simatic et 200pro im154-8f pn/dp cpu"},{"vendor":"siemens","product":"simatic et 200pro im154-8fx pn/dp cpu"},{"vendor":"siemens","product":"simatic et 200s im151-8 pn/dp cpu"},{"vendor":"siemens","product":"simatic et 200s im151-8f pn/dp cpu"},{"vendor":"siemens","product":"simatic s7-1200 cpu family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-300 cpu 314c-2 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 315-2 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 315f-2 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 315t-3 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 317-2 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 317f-2 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 317t-3 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 317tf-3 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 319-3 pn/dp"},{"vendor":"siemens","product":"simatic s7-300 cpu 319f-3 pn/dp"},{"vendor":"siemens","product":"simatic s7-400 pn/dp v6 and below cpu family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-400 pn/dp v7 cpu family (incl. siplus variants)"},{"vendor":"siemens","product":"simatic winac rtx 2010"},{"vendor":"siemens","product":"simatic winac rtx f 2010"},{"vendor":"siemens","product":"simatic_s7-300_cpu_315-2_pn\\/dp_firmware"},{"vendor":"siemens","product":"simatic_s7-300_cpu_315-2dp_firmware"},{"vendor":"siemens","product":"simatic_s7-300_cpu_317-2_dp_firmware"},{"vendor":"siemens","product":"simatic_s7-300_cpu_317-2_pn\\/dp_firmware"},{"vendor":"siemens","product":"simatic_s7-300_cpu_319-3_pn\\/dp_firmware"},{"vendor":"siemens","product":"simatic_s7-400_pn\\/dp_cpu_firmware"},{"vendor":"siemens","product":"simatic_winac_rtx_\\(f\\)_2010"},{"vendor":"siemens","product":"siplus et 200s im151-8 pn/dp cpu"},{"vendor":"siemens","product":"siplus et 200s im151-8f pn/dp cpu"},{"vendor":"siemens","product":"siplus s7-300 cpu 314c-2 pn/dp"},{"vendor":"siemens","product":"siplus s7-300 cpu 315-2 pn/dp"},{"vendor":"siemens","product":"siplus s7-300 cpu 315f-2 pn/dp"},{"vendor":"siemens","product":"siplus s7-300 cpu 317-2 pn/dp"},{"vendor":"siemens","product":"siplus s7-300 cpu 317f-2 pn/dp"},{"vendor":"siemens","product":"siplus_cpu_1211c_firmware"},{"vendor":"siemens","product":"siplus_cpu_1212c_firmware"},{"vendor":"siemens","product":"siplus_cpu_1214c_firmware"},{"vendor":"siemens","product":"siplus_cpu_1215c_firmware"},{"vendor":"siemens","product":"siplus_s7-1200_firmware"},{"vendor":"siemens","product":"siplus_s7-300_cpu_314_firmware"},{"vendor":"siemens","product":"siplus_s7-300_cpu_315-2_dp_firmware"},{"vendor":"siemens","product":"siplus_s7-300_cpu_315-2_pn\\/dp_firmware"},{"vendor":"siemens","product":"siplus_s7-300_cpu_317-2_pn\\/dp_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13940"},{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-042-05"},{"url":"https://github.com/advisories/GHSA-2w4m-xhc4-2cxx"}],"sources":{"cve":[{"id":"CVE-2019-13940","description":"A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions \u003c 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 \u003c V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions \u003c 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.","status":"published","published":"2020-02-11T15:36:10Z","modified":"2024-08-05T00:05:44.018Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-5207","description":"A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions \u003c 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 \u003c V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions \u003c 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.","status":"published","published":"2020-02-11T15:36:10Z","modified":"2024-08-05T00:05:44Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T02:40:41.120486Z"}],"ghsa":[{"id":"GHSA-2w4m-xhc4-2cxx","title":"A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All...","description":"A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.1), SIMATIC S7-300 PN/DP CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), 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). Affected devices contain a vulnerability that could cause a Denial-of-Service condition of the web server by sending specially crafted HTTP requests to ports 80/tcp and 443/tcp. The security vulnerability could be exploited by an attacker with network access to an affected device. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise the availability of the device’s web server. Beyond the web service, no other functions or interfaces are affected by the Denial-of-Service condition.","status":"published","published":"2022-05-24T22:28:05Z","modified":"2023-02-03T05:01:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:52:59.998713Z"}],"nvd":[{"id":"CVE-2019-13940","description":"A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions \u003c V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions \u003c V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions \u003c 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 \u003c V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions \u003c V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions \u003c 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.","status":"published","published":"2020-02-11T16:15:14.773Z","modified":"2026-06-17T02:17:27.333Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}