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CVE-2022-43517

Status: ModifiedHigh (7.8)—

A vulnerability has been identified in Simcenter STAR-CCM+ (All versions < V2306). The affected application improperly assigns file permissions to installation folders.

This could allow a local attacker with an unprivileged account to override or modify the service executables and subsequently gain elevated privileges.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Siemens — Star-ccm+

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-43517",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-43517",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-18T15:21:27.613231Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "productcert@siemens.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "Simcenter STAR-CCM+",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V2306"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2022-12-13T16:15:23.977",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-930100.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-930100.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in Simcenter STAR-CCM+ (All versions < V2306). The affected application improperly assigns file permissions to installation folders.\r\n\r\nThis could allow a local attacker with an unprivileged account to override or modify the service executables and subsequently gain elevated privileges."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en Simcenter STAR-CCM+ (Todas las versiones &lt; V2306). La aplicación afectada asigna incorrectamente permisos de archivos a las carpetas de instalación. Esto podría permitir que un atacante local con una cuenta sin privilegios anule o modifique los ejecutables del servicio y posteriormente obtenga privilegios elevados."
    }
  ],
  "lastModified": "2026-06-17T05:06:44.700",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:star-ccm\\+:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "45395811-7604-43A5-B708-650CEED3A8F0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}