{"containers": {"cna": {"affected": [{"product": "HarmonyOS", "vendor": "Huawei", "versions": [{"status": "affected", "version": "2.0"}]}], "descriptions": [{"lang": "en", "value": "The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart."}], "problemTypes": [{"descriptions": [{"description": " NULL Pointer Dereference", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-01-03T21:07:34.000Z", "orgId": "25ac1063-e409-4190-8079-24548c77ea2e", "shortName": "huawei"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "ID": "CVE-2021-39977", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "HarmonyOS", "version": {"version_data": [{"version_affected": "=", "version_value": "2.0"}]}}]}, "vendor_name": "Huawei"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": " NULL Pointer Dereference"}]}]}, "references": {"reference_data": [{"name": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667", "refsource": "MISC", "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:34.189Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-476", "lang": "en", "description": "CWE-476 NULL Pointer Dereference"}]}], "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-05-22T17:39:07.164668Z", "id": "CVE-2021-39977", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-22T18:41:29.173Z"}}]}, "cveMetadata": {"assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e", "assignerShortName": "huawei", "cveId": "CVE-2021-39977", "datePublished": "2022-01-03T21:07:34.000Z", "dateReserved": "2021-08-23T00:00:00.000Z", "dateUpdated": "2025-05-22T18:41:29.173Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:34.189Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-39977", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-05-22T17:39:07.164668Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-22T17:40:16.259Z"}}], "cna": {"affected": [{"vendor": "Huawei", "product": "HarmonyOS", "versions": [{"status": "affected", "version": "2.0"}]}], "references": [{"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": " NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "25ac1063-e409-4190-8079-24548c77ea2e", "shortName": "huawei", "dateUpdated": "2022-01-03T21:07:34.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "2.0", "version_affected": "="}]}, "product_name": "HarmonyOS"}]}, "vendor_name": "Huawei"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667", "name": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": " NULL Pointer Dereference"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-39977", "STATE": "PUBLIC", "ASSIGNER": "[email protected]"}}}}, "cveMetadata": {"cveId": "CVE-2021-39977", "state": "PUBLISHED", "dateUpdated": "2025-05-22T18:41:29.173Z", "dateReserved": "2021-08-23T00:00:00.000Z", "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e", "datePublished": "2022-01-03T21:07:34.000Z", "assignerShortName": "huawei"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*", "matchCriteriaId": "84A0CF45-FF48-42DF-9063-34AB6CA4FE12", "versionEndExcluding": "2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart."}, {"lang": "es", "value": "El m\u00f3dulo HwNearbyMain presenta una vulnerabilidad de Desreferencia de Puntero Null. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad puede causar el reinicio de un proceso"}], "id": "CVE-2021-39977", "lastModified": "2025-05-22T19:15:25.843", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2022-01-03T22:15:10.427", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}