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CVE-2025-40796

🗓️ 09 Sep 2025 08:48:02Reported by siemensType 
cve
 cve
🔗 web.nvd.nist.gov👁 46 Views

CVE-2025-40796: Out-of-bounds read in UMC of SIMATIC PCS neo enables unauthenticated denial of service.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
User Management Component DoS
3 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2025-40796
9 Sep 202511:08
–circl
cnnvd
CNNVD
Siemens SIMATIC PCS neo and Siemens User Management Component buffer error vulnerabilities
9 Sep 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-40796
9 Sep 202508:48
–cvelist
euvd
EUVD
EUVD-2025-27239
3 Oct 202520:07
–euvd
ncsc
NCSC
Vulnerabilities fixed in Siemens products
9 Sep 202511:06
–ncsc
nvd
NVD
CVE-2025-40796
9 Sep 202509:15
–nvd
osv_cve
osv_cve
CVE-2025-40796
9 Sep 202509:15
–osv_cve
ptsecurity
Positive Technologies
PT-2025-36682
9 Sep 202500:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2025-40796: Out-of-bounds Read
9 Sep 202500:00
–rapid7
Rows per page
NVD
Vulners
[
  {
    "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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23 Oct 2026 22:10Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.5
CVSS 48.7
EPSS0.00502
SSVC
46