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CVE-2021-44447

Estado: ModificadaAlta (7.8)—

A vulnerability has been identified in JT Utilities (All versions < V13.0.3.0), JTTK (All versions < V11.0.3.0). JTTK library in affected products contains a use-after-free vulnerability that could be triggered while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-14911)

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Siemens — JT Open ToolkitSiemens — JT Utilities

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-44447",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "productcert@siemens.com",
      "affectedData": [
        {
          "vendor": "Siemens",
          "product": "JT Utilities",
          "versions": [
            {
              "status": "affected",
              "version": "All versions < V13.0.3.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "JTTK",
          "versions": [
            {
              "status": "affected",
              "version": "All versions <  V11.0.3.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-14T12:15:11.827",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-352143.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "productcert@siemens.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-352143.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "productcert@siemens.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in JT Utilities (All versions < V13.0.3.0), JTTK (All versions < V11.0.3.0). JTTK library in affected products contains a use-after-free vulnerability that could be triggered while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-14911)"
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en JT Utilities (Todas las versiones anteriores a V13.0.3.0), JTTK (Todas las versiones anteriores a V11.0.3.0). La biblioteca JTTK de los productos afectados contiene una vulnerabilidad de uso de memoria previamente liberada que podría desencadenarse al analizar archivos JT especialmente diseñados. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. (ZDI-CAN-14911)"
    }
  ],
  "lastModified": "2026-06-17T04:12:21.857",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:jt_open_toolkit:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A53600FE-086F-492A-8773-223F67952903",
              "versionEndExcluding": "11.0.3.0"
            },
            {
              "criteria": "cpe:2.3:a:siemens:jt_utilities:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5E920CC1-8575-470B-9EF0-C9E5BB30B7AF",
              "versionEndExcluding": "13.0.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "productcert@siemens.com"
}