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CVE-2025-40797

🗓️ 09 Sep 2025 08:48:03Reported by siemensType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views

Out-of-bounds read in SIMATIC PCS Neo UMC affects four point one and five point zero and UMC below two point fifteen point one point three, enabling unauthenticated remote denial of service.

Related
Detection
Affected
Refs
[
  {
    "vendor": "Siemens",
    "product": "SIMATIC PCS neo V4.1",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC PCS neo V5.0",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "*",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC PCS neo V6.0",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V6.0 SP1 Update 1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "User Management Component (UMC)",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V2.15.1.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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17 Jun 2026 09:22Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
CVSS 48.7
EPSS0.00477
SSVC
22