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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-4827",
"assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
"state": "PUBLISHED",
"assignerShortName": "schneider",
"dateReserved": "2026-03-25T14:07:29.111Z",
"datePublished": "2026-05-12T12:24:22.928Z",
"dateUpdated": "2026-05-14T17:38:38.647Z"
},
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"shortName": "schneider",
"dateUpdated": "2026-05-14T17:38:38.647Z"
},
"title": "Insufficient Entropy vulnerability on Multiple Products",
"datePublic": "2026-05-12T16:49:00.000Z",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-331",
"description": "CWE-331 Insufficient entropy",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "Schneider Electric",
"product": "Easergy MiCOM C264",
"versions": [
{
"status": "affected",
"version": "Versions D6.x"
},
{
"status": "affected",
"version": "Versions D7.33 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "Easergy C5",
"versions": [
{
"status": "affected",
"version": "Version 1.1.17 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "Easergy MiCOM P30",
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{
"status": "affected",
"version": "P139 version prior to P139.678.700"
},
{
"status": "affected",
"version": "P437 version prior to P437.678.700"
},
{
"status": "affected",
"version": "P439 version prior to P439.678.700"
},
{
"status": "affected",
"version": "P532 version prior to P532.678.700"
},
{
"status": "affected",
"version": "P539 version prior to P539.678.700"
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{
"status": "affected",
"version": "P631 version prior to P631.678.700"
},
{
"status": "affected",
"version": "P632 version prior to P632.678.700"
},
{
"status": "affected",
"version": "P633 version prior to P633.678.700"
},
{
"status": "affected",
"version": "P634 version prior to P634.678.700"
},
{
"status": "affected",
"version": "P633 version P633.680.700 only"
},
{
"status": "affected",
"version": "P634 version P634.680.700 only"
},
{
"status": "affected",
"version": "P138 version prior to P138.677.700"
},
{
"status": "affected",
"version": "P436 version prior to P436.677.701"
},
{
"status": "affected",
"version": "P438 version prior to P438.677.701"
},
{
"status": "affected",
"version": "P638 version prior to P638.677.700"
},
{
"status": "affected",
"version": "C434 version prior to C434.679.700"
}
],
"defaultStatus": "unaffected"
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{
"vendor": "Schneider Electric",
"product": "Easergy MiCOM P40",
"versions": [
{
"status": "affected",
"version": "Series model numbers with Protocol Option bit as G, H or L and all firmware versions"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "EcoStruxure™ Power Automation System Gateway (EPAS-GTW)",
"versions": [
{
"status": "affected",
"version": "Version 6.4.616.200.100 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "EcoStruxure™ Power Automation System User Interface (EPAS-UI)",
"versions": [
{
"status": "affected",
"version": "Version 3.0.3 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "EcoStruxure™ Power Operation",
"versions": [
{
"status": "affected",
"version": "Version 2022 CU6 and prior"
},
{
"status": "affected",
"version": "Version 2024 CU2 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "iPMFLS",
"versions": [
{
"status": "affected",
"version": "Version 64.2025.0.13 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "PowerLogic™ P5 Protection Relay",
"versions": [
{
"status": "affected",
"version": "V02.502.103 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "PowerLogic™ P7 Protection and Control Platform",
"versions": [
{
"status": "affected",
"version": "V02.002.002 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "PowerLogic™ T300",
"versions": [
{
"status": "affected",
"version": "Version 2.9.4 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "PowerLogic™ T500",
"versions": [
{
"status": "affected",
"version": "Version 11.08.02 and prior"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Schneider Electric",
"product": "Saitel DP",
"versions": [
{
"status": "affected",
"version": "Version 11.06.36 and prior"
}
],
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},
{
"vendor": "Schneider Electric",
"product": "EasyLogic T150 (formerly Saitel DR)",
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{
"status": "affected",
"version": "Version 11.06.30 and prior"
}
],
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}
],
"descriptions": [
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"lang": "en",
"value": "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.",
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],
"references": [
{
"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-132-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-132-02.pdf"
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"scenarios": [
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"value": "GENERAL"
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"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "HIGH",
"baseScore": 8.7,
"vectorString": "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"
}
}
],
"source": {
"discovery": "UNKNOWN"
},
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"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-12T12:39:02.210471Z",
"id": "CVE-2026-4827",
"options": [
{
"Exploitation": "none"
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{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
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}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-12T12:39:31.579Z"
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}