{"id":"CVE-2026-25656","aliases":["EUVD-2026-6890","GHSA-43rq-xvwq-hp7q"],"status":"published","title":"A vulnerability has been identified in SINEC NMS (All versions), User Management Component (UMC) ...","description":"A vulnerability has been identified in SINEC NMS (All versions \u003c V4.0 SP3), User Management Component (UMC) (All versions \u003c V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user.\r\nThis could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00264,"percentile":0.18419,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427"],"published":"2026-02-10T09:58:55Z","modified":"2026-06-17T10:25:01Z","products":[{"vendor":"siemens","product":"sinec nms"},{"vendor":"siemens","product":"sinec_nms"},{"vendor":"siemens","product":"user management component (umc)"},{"vendor":"siemens","product":"user_management_component"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-311973.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25656"},{"url":"https://github.com/advisories/GHSA-43rq-xvwq-hp7q"}],"sources":{"cve":[{"id":"CVE-2026-25656","description":"A vulnerability has been identified in SINEC NMS (All versions \u003c V4.0 SP3), User Management Component (UMC) (All versions \u003c V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user.\r\nThis could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)","status":"published","published":"2026-02-10T09:58:55.243Z","modified":"2026-04-14T08:40:44.535Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T13:41:19.694734Z"}],"euvd":[{"id":"EUVD-2026-6890","description":"A vulnerability has been identified in SINEC NMS (All versions \u003c V4.0 SP3), User Management Component (UMC) (All versions \u003c V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user.\r\nThis could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)","status":"published","published":"2026-02-10T09:58:55Z","modified":"2026-04-14T08:40:44Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:24:27.052992Z"}],"ghsa":[{"id":"GHSA-43rq-xvwq-hp7q","title":"A vulnerability has been identified in SINEC NMS (All versions), User Management Component (UMC) ...","description":"A vulnerability has been identified in SINEC NMS (All versions), User Management Component (UMC) (All versions \u003c V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user.\nThis could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)","status":"published","published":"2026-02-10T12:30:28Z","modified":"2026-02-10T12:30:34Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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/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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T15:06:07.19064Z"}],"nvd":[{"id":"CVE-2026-25656","description":"A vulnerability has been identified in SINEC NMS (All versions \u003c V4.0 SP3), User Management Component (UMC) (All versions \u003c V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user.\r\nThis could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)","status":"published","published":"2026-02-10T10:15:59.88Z","modified":"2026-06-17T10:25:01.52Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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/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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:12:05.52517Z"}]}}