FKIE_CVE-2021-25477

Vulnerability from fkie_nvd - Published: 2021-10-06 18:15 - Updated: 2026-06-17 03:42
Severity
4.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Summary
An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.
References
mobile.security@samsung.comhttps://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10Vendor Advisory
Impacted products
Vendor Product Version
google android 9.0
google android 10.0
google android 11.0
mediatek mt6762 -
mediatek mt6765 -
mediatek mt6853 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "SMR Oct-2021 Release 1",
              "status": "affected",
              "version": "P(9.0), Q(10.0), R(11.0)",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "mobile.security@samsung.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "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",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C445EB80-6021-4E26-B74E-1B4B6910CE48",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service."
    },
    {
      "lang": "es",
      "value": "Un manejo inapropiado de errores en la pila del protocolo RRC de Mediatek versiones anteriores a SMR Oct-2021 Release 1, permite un bloqueo del m\u00f3dem y una denegaci\u00f3n de servicio remota"
    }
  ],
  "id": "CVE-2021-25477",
  "lastModified": "2026-06-17T03:42:09.413",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 3.6,
        "source": "mobile.security@samsung.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 4.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-10-06T18:15:09.063",
  "references": [
    {
      "source": "mobile.security@samsung.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
    }
  ],
  "sourceIdentifier": "mobile.security@samsung.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "mobile.security@samsung.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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