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CVE-2021-40756

Estado: ModificadaMedia (5.5)—

Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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 (1)

Adobe — After Effects

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-40756",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2021-40756",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-23T13:10:10.235150Z"
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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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    "cvssMetricV31": [
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  "published": "2021-11-18T17:15:10.333",
  "references": [
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      "url": "https://helpx.adobe.com/security/products/after_effects/apsb21-79.html",
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        "Patch",
        "Vendor Advisory"
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      "url": "https://helpx.adobe.com/security/products/after_effects/apsb21-79.html",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "psirt@adobe.com",
      "description": [
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          "value": "CWE-476"
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      "value": "Adobe After Effects version 18.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
    },
    {
      "lang": "es",
      "value": "Adobe After Effects versión 18.4.1 (y anteriores), está afectada por una vulnerabilidad de desreferencia de puntero Null cuando es analizado un archivo especialmente diseñado. Un atacante no autenticado podría aprovechar esta vulnerabilidad para conseguir una denegación de servicio de la aplicación en el contexto del usuario actual. Es requerida una interacción del usuario para la explotación de este problema, ya que la víctima debe abrir un archivo malicioso."
    }
  ],
  "lastModified": "2026-06-17T04:07:23.167",
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