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CVE-2021-46883

Estado: ModificadaAlta (7.5)—

The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.

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)

Huawei — Emui

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-46883",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-46883",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-16T16:47:34.794115Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "HarmonyOS",
          "versions": [
            {
              "status": "affected",
              "version": "2.1.0"
            },
            {
              "status": "affected",
              "version": "2.0.1"
            },
            {
              "status": "affected",
              "version": "2.0.0"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "EMUI",
          "versions": [
            {
              "status": "affected",
              "version": "12.0.1"
            },
            {
              "status": "affected",
              "version": "12.0.0"
            },
            {
              "status": "affected",
              "version": "11.0.0"
            },
            {
              "status": "affected",
              "version": "10.1.1"
            },
            {
              "status": "affected",
              "version": "10.1.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-05-26T17:15:12.780",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2023/5/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2023/5/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability."
    }
  ],
  "lastModified": "2026-06-17T04:15:44.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "66AC7F91-917C-40A6-9983-A339EFB091F1"
            },
            {
              "criteria": "cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7FF0AD1-22C2-423B-822A-E6496CEDAB02"
            },
            {
              "criteria": "cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0B701EC6-8208-4D22-95A6-B07D471A8A8B"
            },
            {
              "criteria": "cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A974CA73-84E8-480B-BB4C-4A81D0C985B2"
            },
            {
              "criteria": "cpe:2.3:o:huawei:emui:12.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2DF07E7F-3A18-4B74-B73D-DF3647C2A48F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@huawei.com"
}