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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-40938",
"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"state": "PUBLISHED",
"assignerShortName": "siemens",
"dateReserved": "2025-04-16T09:06:15.878Z",
"datePublished": "2025-12-09T10:44:36.883Z",
"dateUpdated": "2025-12-09T16:15:21.579Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"shortName": "siemens",
"dateUpdated": "2025-12-09T10:44:36.883Z"
},
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device stores sensitive information in the firmware. This could allow an attacker to access and misuse this information, potentially impacting the device’s confidentiality, integrity, and availability."
}
],
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC CN 4100",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "V4.0.1",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.1,
"baseSeverity": "HIGH"
}
},
{
"cvssV4_0": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"baseScore": 9.2,
"baseSeverity": "CRITICAL"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-798",
"description": "CWE-798: Use of Hard-coded Credentials",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-416652.html"
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-12-09T16:15:08.106090Z",
"id": "CVE-2025-40938",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-12-09T16:15:21.579Z"
}
}
]
}
}