{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-46839",
        "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e",
        "assignerShortName": "huawei",
        "dateUpdated": "2025-05-15T15:12:31.059Z",
        "dateReserved": "2022-09-27T00:00:00.000Z",
        "datePublished": "2022-10-14T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "25ac1063-e409-4190-8079-24548c77ea2e",
                "shortName": "huawei",
                "dateUpdated": "2022-10-14T00:00:00.000Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The HW_KEYMASTER module has a vulnerability of missing bounds check on length.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access."
                }
            ],
            "affected": [
                {
                    "vendor": "Huawei",
                    "product": "HarmonyOS",
                    "versions": [
                        {
                            "version": "2.0",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Huawei",
                    "product": "EMUI",
                    "versions": [
                        {
                            "version": "12.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "11.0.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://consumer.huawei.com/en/support/bulletin/2022/10/"
                },
                {
                    "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "Lack of length check vulnerability"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:17:42.606Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://consumer.huawei.com/en/support/bulletin/2022/10/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-125",
                                "lang": "en",
                                "description": "CWE-125 Out-of-bounds Read"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.1,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-05-15T15:12:11.970435Z",
                                "id": "CVE-2021-46839",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-05-15T15:12:31.059Z"
                }
            }
        ]
    }
}