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CVE-2025-40771

🗓️ 14 Oct 2025 09:15:17Reported by siemensType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2025-40771: SIMATIC controllers lack authentication, enabling unauthenticated remote access to configuration data below 2.4.24.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-40771
14 Oct 202510:34
circl
CNNVD
Siemens SIMATIC CP Series 访问控制错误漏洞
14 Oct 202500:00
cnnvd
Cvelist
CVE-2025-40771
14 Oct 202509:15
cvelist
EUVD
EUVD-2025-34160
14 Oct 202509:15
euvd
ICS
Siemens SIMATIC ET 200SP Communication Processors
14 Oct 202500:00
ics
NCSC
Vulnerabilities fixed in Siemens products
14 Oct 202511:22
ncsc
NVD
CVE-2025-40771
14 Oct 202510:15
nvd
Positive Technologies
PT-2025-41883
14 Oct 202500:00
ptsecurity
RedhatCVE
CVE-2025-40771
9 Jan 202608:45
redhatcve
Tenable Nessus
Siemens SIMATIC ET 200SP Communication Processors Missing Authentication For Critical Function (CVE-2025-40771)
27 Oct 202500:00
nessus
Rows per page
[
  {
    "vendor": "Siemens",
    "product": "SIMATIC CP 1542SP-1",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.4.24",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC CP 1542SP-1 IRC",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.4.24",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC CP 1543SP-1",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.4.24",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.4.24",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP CP 1543SP-1 ISEC",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.4.24",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.4.24",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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15 Apr 2026 00:35Current
6.7Medium risk
Vulners AI Score6.7
CVSS 49.3
CVSS 3.19.8
EPSS0.00126
SSVC
6