{"id":"CVE-2020-15796","aliases":["EUVD-2020-7779","GHSA-mffw-j524-mrjp"],"status":"published","title":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) ...","description":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0161,"percentile":0.76111,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2020-12-14T21:05:18Z","modified":"2026-06-17T02:57:12Z","products":[{"vendor":"siemens","product":"simatic et 200sp open controller (incl. siplus variants)"},{"vendor":"siemens","product":"simatic s7-1500 software controller"},{"vendor":"siemens","product":"simatic_et_200sp_open_controller_firmware"},{"vendor":"siemens","product":"simatic_s7-1500_software_controller_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15796"},{"url":"https://github.com/advisories/GHSA-mffw-j524-mrjp"}],"sources":{"cve":[{"id":"CVE-2020-15796","description":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.","status":"published","published":"2020-12-14T21:05:18Z","modified":"2024-08-04T13:30:21.823Z","cwes":["CWE-248"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7779","description":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.","status":"published","published":"2020-12-14T21:05:18Z","modified":"2024-08-04T13:30:21Z","updated_at":"2026-11-03T03:07:30.36726Z"}],"ghsa":[{"id":"GHSA-mffw-j524-mrjp","title":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) ...","description":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.","status":"published","published":"2022-05-24T17:36:16Z","modified":"2023-01-29T05:04:56Z","cwes":["CWE-248"],"updated_at":"2026-11-02T14:45:40.727657Z"}],"nvd":[{"id":"CVE-2020-15796","description":"A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.","status":"published","published":"2020-12-14T21:15:19.44Z","modified":"2026-06-17T02:57:12.46Z","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","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-248"],"updated_at":"2026-11-02T14:06:27.73474Z"}]}}