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CVE-2021-46145

Estado: ModificadaMedia (5.3)—

The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is related to a non-expiring rolling code and counter resynchronization.

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)

Honda — Civic 2012

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-46145",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.9,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
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  ],
  "published": "2022-01-06T06:15:07.137",
  "references": [
    {
      "url": "http://starvlab.qianxin.com/?p=409",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://tiger-team-1337.blogspot.com/2022/01/honda-civic-keyfob-system-affected-by.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
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      "tags": [
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    },
    {
      "url": "https://twitter.com/Kevin2600/status/1475482656871571459?s=20",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://starvlab.qianxin.com/?p=409",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://tiger-team-1337.blogspot.com/2022/01/honda-civic-keyfob-system-affected-by.html",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://twitter.com/Kevin2600/status/1472070749208780804?s=20",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://twitter.com/Kevin2600/status/1475482656871571459?s=20",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-294"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is related to a non-expiring rolling code and counter resynchronization."
    },
    {
      "lang": "es",
      "value": "El subsistema del llavero en los vehículos Honda Civic 2012 permite un ataque de repetición para el desbloqueo. Esto está relacionado con un código rodante que no caduca y la resincronización del contador."
    }
  ],
  "lastModified": "2026-06-17T04:14:34.830",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "CCCCEB59-3267-4A20-B47A-D1BAD28874F9"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}