{
  "id": "CVE-2021-25478",
  "sourceIdentifier": "mobile.security@samsung.com",
  "published": "2021-10-06T18:15:09.113",
  "lastModified": "2024-11-21T05:55:04.397",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution."
    },
    {
      "lang": "es",
      "value": "Una posible vulnerabilidad de desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en Exynos CP Chipset versiones anteriores a 1 de octubre de 2021 de SMR permite una escritura arbitraria en memoria y una ejecuci\u00f3n de c\u00f3digo"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "mobile.security@samsung.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9
      },
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "mobile.security@samsung.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:samsung:exynos:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E04D5D21-1755-4766-8302-A0BE61EE9F43"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10",
      "source": "mobile.security@samsung.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}