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CVE-2024-21755

Status: ModifiedHigh (8.8)—

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.3, FortiSandbox 4.2.1 through 4.2.6, FortiSandbox 4.0.0 through 4.0.4 allows attacker to execute unauthorized code or commands via crafted requests..

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)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-21755",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21755",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-04-11T04:01:09.626738Z"
        }
      }
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    "cvssMetricV31": [
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        "source": "psirt@fortinet.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/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"
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        "impactScore": 5.9,
        "exploitabilityScore": 2.8
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "confidentialityImpact": "HIGH"
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  },
  "affected": [
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      "source": "psirt@fortinet.com",
      "affectedData": [
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          "cpes": [
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            "cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.0.0:*:*:*:*:*:*:*"
          ],
          "vendor": "Fortinet",
          "product": "FortiSandbox",
          "versions": [
            {
              "status": "affected",
              "version": "4.4.0",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.3"
            },
            {
              "status": "affected",
              "version": "4.2.1",
              "versionType": "semver",
              "lessThanOrEqual": "4.2.6"
            },
            {
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              "version": "4.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "4.0.4"
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    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
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            "cpe:2.3:a:fortinet:fortisandbox:4.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:*"
          ],
          "vendor": "fortinet",
          "product": "fortisandbox",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.0.4"
            },
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              "status": "affected",
              "version": "4.2.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.2.6"
            },
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              "status": "affected",
              "version": "4.4.0",
              "versionType": "custom",
              "lessThanOrEqual": "4.4.3"
            }
          ],
          "defaultStatus": "unknown"
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  ],
  "published": "2024-04-09T15:15:30.977",
  "references": [
    {
      "url": "https://fortiguard.com/psirt/FG-IR-23-489",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/psirt/FG-IR-23-489",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@fortinet.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.3, FortiSandbox 4.2.1 through 4.2.6, FortiSandbox 4.0.0 through 4.0.4 allows attacker to execute unauthorized code or commands via crafted requests.."
    },
    {
      "lang": "es",
      "value": "Una neutralización inadecuada de elementos especiales utilizados en un comando del sistema operativo ('inyección de comando del sistema operativo') en Fortinet FortiSandbox versión 4.4.0 a 4.4.3 y 4.2.0 a 4.2.6 y 4.0.0 a 4.0.4 permite al atacante ejecutar no autorizados código o comandos a través de solicitudes manipuladas."
    }
  ],
  "lastModified": "2026-06-17T07:10:05.940",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "4.0.5",
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}