FKIE_CVE-2026-4827
Vulnerability from fkie_nvd - Published: 2026-05-12 13:17 - Updated: 2026-06-17 10:57
Severity
Summary
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Easergy MiCOM C264",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Versions D6.x"
},
{
"status": "affected",
"version": "Versions D7.33 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Easergy C5",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 1.1.17 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Easergy MiCOM P30",
"vendor": "Schneider Electric",
"versions": [
{
"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"
},
{
"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",
"product": "Easergy MiCOM P40",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Series model numbers with Protocol Option bit as G, H or L and all firmware versions"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EcoStruxure\u2122 Power Automation System Gateway (EPAS-GTW)",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 6.4.616.200.100 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EcoStruxure\u2122 Power Automation System User Interface (EPAS-UI)",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 3.0.3 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EcoStruxure\u2122 Power Operation",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 2022 CU6 and prior"
},
{
"status": "affected",
"version": "Version 2024 CU2 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "iPMFLS",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 64.2025.0.13 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "PowerLogic\u2122 P5 Protection Relay",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "V02.502.103 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "PowerLogic\u2122 P7 Protection and Control Platform",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "V02.002.002 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "PowerLogic\u2122 T300",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 2.9.4 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "PowerLogic\u2122 T500",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 11.08.02 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Saitel DP",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 11.06.36 and prior"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EasyLogic T150 (formerly Saitel DR)",
"vendor": "Schneider Electric",
"versions": [
{
"status": "affected",
"version": "Version 11.06.30 and prior"
}
]
}
],
"source": "cybersecurity@se.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "CWE\u2011331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session\u2011management protections."
}
],
"id": "CVE-2026-4827",
"lastModified": "2026-06-17T10:57:17.890",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"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/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",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "cybersecurity@se.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-4827",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-12T12:39:02.210471Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-05-12T13:17:35.510",
"references": [
{
"source": "cybersecurity@se.com",
"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"
}
],
"sourceIdentifier": "cybersecurity@se.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-331"
}
],
"source": "cybersecurity@se.com",
"type": "Secondary"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…