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CVE-2021-42780

Estado: ModificadaMedia (5.3)—

A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.

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 (3)

Fedoraproject — FedoraOpensc Project — OpenscRedhat — Enterprise Linux

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-42780",
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
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          "baseScore": 5.3,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
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          "versions": [
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              "status": "affected",
              "version": "opensc 0.22.0"
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  "published": "2022-04-18T17:15:16.243",
  "references": [
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      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383",
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
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          "lang": "en",
          "value": "CWE-252"
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      "description": [
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          "value": "CWE-252"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un problema de tipo use after return En Opensc versiones anteriores a 0.22.0, en la función insert_pin que podría bloquear los programas que usan la biblioteca"
    }
  ],
  "lastModified": "2026-06-17T04:10:08.090",
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