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Title
Siemens SIMATIC S7-1500设备存储型跨站脚本漏洞
Description
SIMATIC S7-1500是西门子公司推出的工业控制器。
Siemens SIMATIC S7-1500存在存储型跨站脚本漏洞，攻击者可利用漏洞通过诱使合法用户在网页界面中导入特制的跟踪文件来注入代码。
Severity
高
Formal description
厂商已为若干受影响产品发布了新版本，并建议更新到最新版本，对尚未提供修复的产品，请关注厂商主页更新： https://cert-portal.siemens.com/productcert/html/ssa-452276.html
Impacted products
| Name | ['Siemens SIMATIC S7-1500 Software Controller', 'Siemens SIMATIC S7-PLCSIM Advanced', 'Siemens SIMATIC Drive Controller family', 'Siemens SIMATIC ET 200SP Open Controller (incl. SIPLUS variants)', 'Siemens SIMATIC S7-1500 CPU family (incl. related ET 200 CPUs and SIPLUS variants)'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2025-40943"
}
},
"description": "SIMATIC S7-1500\u662f\u897f\u95e8\u5b50\u516c\u53f8\u63a8\u51fa\u7684\u5de5\u4e1a\u63a7\u5236\u5668\u3002\n\nSiemens SIMATIC S7-1500\u5b58\u5728\u5b58\u50a8\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u8bf1\u4f7f\u5408\u6cd5\u7528\u6237\u5728\u7f51\u9875\u754c\u9762\u4e2d\u5bfc\u5165\u7279\u5236\u7684\u8ddf\u8e2a\u6587\u4ef6\u6765\u6ce8\u5165\u4ee3\u7801\u3002",
"formalWay": "\u5382\u5546\u5df2\u4e3a\u82e5\u5e72\u53d7\u5f71\u54cd\u4ea7\u54c1\u53d1\u5e03\u4e86\u65b0\u7248\u672c\uff0c\u5e76\u5efa\u8bae\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\uff0c\u5bf9\u5c1a\u672a\u63d0\u4f9b\u4fee\u590d\u7684\u4ea7\u54c1\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://cert-portal.siemens.com/productcert/html/ssa-452276.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2026-13386",
"openTime": "2026-03-12",
"products": {
"product": [
"Siemens SIMATIC S7-1500 Software Controller",
"Siemens SIMATIC S7-PLCSIM Advanced",
"Siemens SIMATIC Drive Controller family",
"Siemens SIMATIC ET 200SP Open Controller (incl. SIPLUS variants)",
"Siemens SIMATIC S7-1500 CPU family (incl. related ET 200 CPUs and SIPLUS variants)"
]
},
"serverity": "\u9ad8",
"submitTime": "2026-03-10",
"title": "Siemens SIMATIC S7-1500\u8bbe\u5907\u5b58\u50a8\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}
CVE-2025-40943 (GCVE-0-2025-40943)
Vulnerability from cvelistv5 – Published: 2026-03-10 16:07 – Updated: 2026-05-12 08:20
VLAI
EPSS
VEX
Summary
Affected devices do not properly sanitize contents of trace files.
This could allow an attacker to inject code through social engineering an authorized user, who has the function right "Read diagnostics", to import a specially crafted trace file.
The malicious trace file is insufficiently sanitized and malicious code could be executed in the clients browser session and trigger PLC operations via the webserver that the legitimate user is authorized to perform.
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-10 16:36 UTC
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Assigner
References
1 reference
Impacted products
122 products
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"timestamp": "2026-03-10T16:36:21.762372Z",
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},
{
"defaultStatus": "unknown",
"product": "SIMATIC ET 200SP CPU 1514SPT F-2 PN",
"vendor": "Siemens",
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{
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"status": "affected",
"version": "0",
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{
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"product": "SIMATIC ET 200SP CPU 1514SPT-2 PN",
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{
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{
"defaultStatus": "unknown",
"product": "SIMATIC ET 200SP Open Controller CPU 1515SP PC3 V4 CPUs",
"vendor": "Siemens",
"versions": [
{
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"status": "affected",
"version": "0",
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}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1511-1 PN",
"vendor": "Siemens",
"versions": [
{
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"version": "0",
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]
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{
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{
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{
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]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1513-1 PN",
"vendor": "Siemens",
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{
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{
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},
{
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},
{
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},
{
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{
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{
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},
{
"defaultStatus": "unknown",
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{
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"status": "affected",
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]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1516F-3 PN/DP",
"vendor": "Siemens",
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},
{
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{
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},
{
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{
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"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516-3 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516-3 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516-3 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516F-3 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516F-3 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V2.9.9",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.6",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.6",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518F-4 PN/DP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.6",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Affected devices do not properly sanitize contents of trace files.\r\n\r\nThis could allow an attacker to inject code through social engineering an authorized user, who has the function right \"Read diagnostics\", to import a specially crafted trace file.\r\n\r\nThe malicious trace file is insufficiently sanitized and malicious code could be executed in the clients browser session and trigger PLC operations via the webserver that the legitimate user is authorized to perform."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"cvssV4_0": {
"baseScore": 9.4,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
"version": "4.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-95",
"description": "CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code (\u0027Eval Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-12T08:20:49.293Z",
"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"shortName": "siemens"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-452276.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"assignerShortName": "siemens",
"cveId": "CVE-2025-40943",
"datePublished": "2026-03-10T16:07:50.385Z",
"dateReserved": "2025-04-16T09:06:15.879Z",
"dateUpdated": "2026-05-12T08:20:49.293Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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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.
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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.
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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.
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