{"id":"CVE-2026-4827","aliases":["EUVD-2026-29459","GHSA-r6x4-qp59-vf35"],"status":"published","title":"Insufficient Entropy vulnerability on Multiple Products","description":"CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00312,"percentile":0.24208,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-331"],"published":"2026-05-12T12:24:22Z","modified":"2026-10-26T18:10:00Z","products":[{"vendor":"schneider electric","product":"easergy c5"},{"vendor":"schneider electric","product":"easergy micom c264"},{"vendor":"schneider electric","product":"easergy micom p30"},{"vendor":"schneider electric","product":"easergy micom p40"},{"vendor":"schneider electric","product":"easylogic t150 (formerly saitel dr)"},{"vendor":"schneider electric","product":"ecostruxure™ power automation system gateway (epas-gtw)"},{"vendor":"schneider electric","product":"ecostruxure™ power automation system user interface (epas-ui)"},{"vendor":"schneider electric","product":"ecostruxure™ power operation"},{"vendor":"schneider electric","product":"ipmfls"},{"vendor":"schneider electric","product":"powerlogic™ p5 protection relay"},{"vendor":"schneider electric","product":"powerlogic™ p7 protection and control platform"},{"vendor":"schneider electric","product":"powerlogic™ t300"},{"vendor":"schneider electric","product":"powerlogic™ t500"},{"vendor":"schneider electric","product":"saitel dp"}],"references":[{"url":"https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-132-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2026-132-02.pdf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4827"},{"url":"https://github.com/advisories/GHSA-r6x4-qp59-vf35"}],"sources":{"cve":[{"id":"CVE-2026-4827","title":"Insufficient Entropy vulnerability on Multiple Products","description":"CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.","status":"published","published":"2026-05-12T12:24:22.928Z","modified":"2026-05-14T17:38:38.647Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-29459","description":"CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.","status":"published","published":"2026-05-12T12:24:22Z","modified":"2026-05-14T17:38:38Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:04:31.113278Z"}],"ghsa":[{"id":"GHSA-r6x4-qp59-vf35","title":"CWE‑331 Insufficient Entropy vulnerability exists that could lead to unauthorized access when an...","description":"CWE‑331 Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.","status":"published","published":"2026-05-12T15:31:40Z","modified":"2026-05-12T15:31:49Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T15:08:04.468489Z"}],"nvd":[{"id":"CVE-2026-4827","description":"CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.","status":"published","published":"2026-05-12T13:17:35.51Z","modified":"2026-10-26T18:10:00.173Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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"}],"cwes":["CWE-331"],"updated_at":"2026-11-02T14:12:18.613259Z"}]}}