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CVE-2024-47045

Status: DeferredHigh (7.8)—

Privilege chaining issue exists in the installer of e-Tax software(common program). If this vulnerability is exploited, a malicious DLL prepared by an attacker may be executed with higher privileges than the application privilege.

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)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

E-tax — E-taxAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-47045",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-47045",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-26T14:42:00.395236Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "National Tax Agency",
          "product": "The installer of e-Tax software(common program)",
          "versions": [
            {
              "status": "affected",
              "version": "All versions distributed on the NTA website before 2024 September 24"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:e-tax.nta:e-tax:*:*:*:*:*:*:*:*"
          ],
          "vendor": "e-tax.nta",
          "product": "e-tax",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "3.0.18",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-09-26T04:15:07.657",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN57749899/",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://www.e-tax.nta.go.jp/topics/2024/topics_20240924_versionup.htm",
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vultures@jpcert.or.jp",
      "description": [
        {
          "lang": "en",
          "value": "CWE-268"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Privilege chaining issue exists in the installer of e-Tax software(common program). If this vulnerability is exploited, a malicious DLL prepared by an attacker may be executed with higher privileges than the application privilege."
    },
    {
      "lang": "es",
      "value": "Existe un problema de encadenamiento de privilegios en el instalador del software e-Tax (programa común). Si se explota esta vulnerabilidad, una DLL maliciosa preparada por un atacante puede ejecutarse con privilegios superiores a los de la aplicación."
    }
  ],
  "lastModified": "2026-06-17T07:56:26.643",
  "sourceIdentifier": "vultures@jpcert.or.jp"
}