{"id":"CVE-2025-40937","aliases":["EUVD-2025-201919","GHSA-f729-p9c9-fm58"],"status":"published","title":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected...","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments.\r\nThis could allow an authenticated attacker to execute arbitrary code with limited privileges.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00628,"percentile":0.50405,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2025-12-09T10:44:35Z","modified":"2026-10-23T22:10:00Z","products":[{"vendor":"siemens","product":"simatic cn 4100"},{"vendor":"siemens","product":"simatic_cn_4100_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-416652.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40937"},{"url":"https://github.com/advisories/GHSA-f729-p9c9-fm58"}],"sources":{"cve":[{"id":"CVE-2025-40937","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments.\r\nThis could allow an authenticated attacker to execute arbitrary code with limited privileges.","status":"published","published":"2025-12-09T10:44:35.795Z","modified":"2025-12-09T15:33:38.168Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:32:34.434755Z"}],"euvd":[{"id":"EUVD-2025-201919","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments.\r\nThis could allow an authenticated attacker to execute arbitrary code with limited privileges.","status":"published","published":"2025-12-09T10:44:35Z","modified":"2025-12-09T15:33:38Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:08.049254Z"}],"ghsa":[{"id":"GHSA-f729-p9c9-fm58","title":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected...","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments.\nThis could allow an authenticated attacker to execute arbitrary code with limited privileges.","status":"published","published":"2025-12-09T18:30:36Z","modified":"2025-12-09T18:30:42Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:05:06.487163Z"}],"nvd":[{"id":"CVE-2025-40937","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments.\r\nThis could allow an authenticated attacker to execute arbitrary code with limited privileges.","status":"published","published":"2025-12-09T16:17:47.26Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:11:49.093461Z"}]}}