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CVE-2021-40723

Estado: ModificadaMedia (5.5)—

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. 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 (4)

Adobe — AcrobatAdobe — Acrobat DCAdobe — Acrobat ReaderAdobe — Acrobat Reader DC

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-40723",
  "cveTags": [],
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        "type": "Secondary",
        "source": "psirt@adobe.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
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          "versions": [
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              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "2017.011.30188"
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  "published": "2023-09-07T13:15:07.393",
  "references": [
    {
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@adobe.com"
    },
    {
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "psirt@adobe.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
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    },
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      "lang": "es",
      "value": "Las versiones 2020.013.20074 (y anteriores), 2020.001.30018 (y anteriores) y 2017.011.30188 (y anteriores) de Acrobat Reader DC están afectadas por una vulnerabilidad de lectura fuera de los límites que podría provocar la divulgación de memoria confidencial. Un atacante podría aprovechar esta vulnerabilidad para omitir mitigaciones como ASLR. La explotación de este problema requiere la interacción del usuario en el sentido de que una víctima debe abrir un archivo malicioso."
    }
  ],
  "lastModified": "2026-06-17T04:07:19.990",
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