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CVE-2021-3675

Estado: ModificadaAlta (7.1)—

Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64.

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)

Synaptics — Fingerprint Driver

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-3675",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "PSIRT@synaptics.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      },
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        "source": "nvd@nist.gov",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
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          "attackComplexity": "LOW",
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          "product": "Synaptics Fingerprint Driver",
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          "platforms": [
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  ],
  "published": "2022-06-16T17:15:07.593",
  "references": [
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      "url": "https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "PSIRT@synaptics.com"
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    {
      "url": "https://support.lenovo.com/us/en/product_security/LEN-68054",
      "tags": [
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      "source": "PSIRT@synaptics.com"
    },
    {
      "url": "https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf",
      "tags": [
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      "source": "PSIRT@synaptics.com"
    },
    {
      "url": "https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797",
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "PSIRT@synaptics.com",
      "description": [
        {
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          "value": "CWE-20"
        }
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de comprobación de entrada inapropiada en el archivo synaTEE.signed.dll de Synaptics Fingerprint Driver, permite a un atacante local autorizado sobrescribir una etiqueta de la pila, con posible pérdida de confidencialidad. Este problema afecta a: Synaptics Fingerprint Driver versiones: 5.1.xxx.26 versiones anteriores a xxx=340 en x86/64; 5.2.xxxx.26 versiones anteriores a xxxx=3541 en x86/64; 5.2.2xx.26 versiones anteriores a xx=29 en x86/64; 5.2.3xx.26 versiones anteriores a xx=25 en x86/64; 5.3.xxxx.26 versiones anteriores a xxxx=3543 en x86/64; 5.5.xx.1058 versiones anteriores a xx=44 en x86/64; 5.5.xx.1102 versiones anteriores a xx=34 en x86/64; 5.5.xx.1116 versiones anteriores a xx=14 en x86/64; 6.0.xx.1104 versiones anteriores a xx=50 en x86/64; 6.0.xx.1108 versiones anteriores a xx=31 en x86/64; 6.0.xx.1111 versiones anteriores a xx=58 en x86/64"
    }
  ],
  "lastModified": "2026-06-17T04:05:32.950",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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}