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CVE-2021-3588

Estado: ModificadaBaja (3.3)—

The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading.

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)

Bluez — Bluez

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-3588",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV31": [
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        "type": "Secondary",
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          "scope": "UNCHANGED",
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          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "LOCAL",
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          "vendor": "BlueZ",
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          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "5.56",
              "versionType": "custom"
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  "published": "2021-06-10T03:15:07.477",
  "references": [
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      "tags": [
        "Exploit",
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    },
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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": "security@ubuntu.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-788"
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      ]
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    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
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          "value": "CWE-125"
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the 'offset' variable before using it as an index into an array for reading."
    },
    {
      "lang": "es",
      "value": "La función cli_feat_read_cb() en src/gatt-database.c no realiza comprobaciones de límites en la variable 'offset' antes de utilizarla como índice en un array para su lectura"
    }
  ],
  "lastModified": "2026-06-17T04:05:23.610",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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              "matchCriteriaId": "75456FDD-9DF3-44A6-8399-7B5947C2E850",
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          "operator": "OR"
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  ],
  "sourceIdentifier": "security@ubuntu.com"
}