{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-24920", "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e", "state": "PUBLISHED", "assignerShortName": "huawei", "dateReserved": "2026-01-28T06:05:05.257Z", "datePublished": "2026-02-06T09:03:33.309Z", "dateUpdated": "2026-02-06T16:16:06.726Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "HarmonyOS", "vendor": "Huawei", "versions": [{"status": "affected", "version": "4.3.1"}, {"status": "affected", "version": "4.3.0"}, {"status": "affected", "version": "4.2.0"}]}, {"defaultStatus": "unaffected", "product": "EMUI", "vendor": "Huawei", "versions": [{"status": "affected", "version": "15.0.0"}, {"status": "affected", "version": "14.2.0"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Permission control vulnerability in the AMS module.<br>Impact: Successful exploitation of this vulnerability may affect availability."}], "value": "Permission control vulnerability in the AMS module.\nImpact: Successful exploitation of this vulnerability may affect availability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-264", "description": "CWE-264 Permissions, Privileges, and Access Controls", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "25ac1063-e409-4190-8079-24548c77ea2e", "shortName": "huawei", "dateUpdated": "2026-02-06T09:03:33.309Z"}, "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2026/2/"}, {"url": "https://consumer.huawei.com/en/support/bulletinvision/2026/2/"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-06T16:10:51.758426Z", "id": "CVE-2026-24920", "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": "2026-02-06T16:16:06.726Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-24920", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-06T16:10:51.758426Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-06T16:14:38.189Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Huawei", "product": "HarmonyOS", "versions": [{"status": "affected", "version": "4.3.1"}, {"status": "affected", "version": "4.3.0"}, {"status": "affected", "version": "4.2.0"}], "defaultStatus": "unaffected"}, {"vendor": "Huawei", "product": "EMUI", "versions": [{"status": "affected", "version": "15.0.0"}, {"status": "affected", "version": "14.2.0"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2026/2/"}, {"url": "https://consumer.huawei.com/en/support/bulletinvision/2026/2/"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "Permission control vulnerability in the AMS module.\nImpact: Successful exploitation of this vulnerability may affect availability.", "supportingMedia": [{"type": "text/html", "value": "Permission control vulnerability in the AMS module.<br>Impact: Successful exploitation of this vulnerability may affect availability.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-264", "description": "CWE-264 Permissions, Privileges, and Access Controls"}]}], "providerMetadata": {"orgId": "25ac1063-e409-4190-8079-24548c77ea2e", "shortName": "huawei", "dateUpdated": "2026-02-06T09:03:33.309Z"}}}, "cveMetadata": {"cveId": "CVE-2026-24920", "state": "PUBLISHED", "dateUpdated": "2026-02-06T16:16:06.726Z", "dateReserved": "2026-01-28T06:05:05.257Z", "assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e", "datePublished": "2026-02-06T09:03:33.309Z", "assignerShortName": "huawei"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "HarmonyOS", "vendor": "Huawei", "versions": [{"status": "affected", "version": "4.3.1"}, {"status": "affected", "version": "4.3.0"}, {"status": "affected", "version": "4.2.0"}]}, {"defaultStatus": "unaffected", "product": "EMUI", "vendor": "Huawei", "versions": [{"status": "affected", "version": "15.0.0"}, {"status": "affected", "version": "14.2.0"}]}], "source": "psirt@huawei.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:huawei:emui:14.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "4AA76C33-8D23-490B-B620-C24EDCC86A56", "vulnerable": true}, {"criteria": "cpe:2.3:o:huawei:emui:15.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "888C5BD7-421B-4A85-8719-BFEE3C215527", "vulnerable": true}, {"criteria": "cpe:2.3:o:huawei:harmonyos:4.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "2401DE15-9DBF-4645-A261-8C24D57C6342", "vulnerable": true}, {"criteria": "cpe:2.3:o:huawei:harmonyos:4.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "082BBC06-A0B2-481E-BF6F-56180E17ABEF", "vulnerable": true}, {"criteria": "cpe:2.3:o:huawei:harmonyos:4.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "6EA69843-EC8D-42E2-900E-017D2B502E9E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Permission control vulnerability in the AMS module.\nImpact: Successful exploitation of this vulnerability may affect availability."}, {"lang": "es", "value": "Vulnerabilidad de control de permisos en el m\u00f3dulo AMS.\nImpacto: La explotaci\u00f3n exitosa de esta vulnerabilidad puede afectar la disponibilidad."}], "id": "CVE-2026-24920", "lastModified": "2026-06-17T10:23:48.747", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "psirt@huawei.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-24920", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-06T16:10:51.758426Z", "version": "2.0.3"}}]}, "published": "2026-02-06T10:16:07.363", "references": [{"source": "psirt@huawei.com", "tags": ["Vendor Advisory"], "url": "https://consumer.huawei.com/en/support/bulletin/2026/2/"}, {"source": "psirt@huawei.com", "tags": ["Vendor Advisory"], "url": "https://consumer.huawei.com/en/support/bulletinvision/2026/2/"}], "sourceIdentifier": "psirt@huawei.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-264"}], "source": "psirt@huawei.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T13:36:14.785952+00:00", "value": {"mitigation_remediation": ["Apply the vendor\u2011issued firmware update that contains the AMS patch for the affected EMUI or HarmonyOS versions", "If the AMS module is not essential, disable or uninstall it to remove the attack surface", "Review and tighten device permissions for AMS components, enforcing least privilege to prevent unauthorized elevation"], "summary": {"action": "Apply Patch", "impact": "Availability"}, "threat_synthesis": {"affected_systems": "Affected are Huawei EMUI 14.2.0 and 15.0.0, and Huawei HarmonyOS 4.2.0, 4.3.0, and 4.3.1, as listed in the CPE entries.", "description_and_impact": "The vulnerability is a permission control flaw in Huawei\u2019s AMS module, identified as CWE-264. An attacker who can obtain elevated or unauthorized access to AMS code can disrupt device operation, resulting in denial\u2011of\u2011service or other availability degradation. No other impacts such as confidentiality or integrity are mentioned in the CVE data.", "risk_and_exploitability": "The CVSS score of 6.2 indicates moderate severity, while the EPSS score of less than 1% suggests a very low likelihood of exploitation. The vulnerability is not cataloged in CISA KEV. Because the attack vector is not stated explicitly, it is inferred that local compromise or device credential abuse is required to exploit the permission flaw."}}}}, "created": "2026-02-09T10:52:46.719613+00:00", "title": "Huawei EMUI and HarmonyOS AMS Permission Control Vulnerability Affects Availability", "updated": "2026-04-18T13:45:45.672319+00:00", "vendors": ["huawei", "huawei$PRODUCT$emui", "huawei$PRODUCT$harmonyos"]}