{"id":"CVE-2021-37022","aliases":["EUVD-2021-23598","GHSA-cgv7-mrmg-p534"],"status":"published","title":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation...","description":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00957,"percentile":0.61889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-11-23T15:26:49Z","modified":"2026-06-17T03:59:50Z","products":[{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202108-0000001180965965","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37022"},{"url":"https://github.com/advisories/GHSA-cgv7-mrmg-p534"}],"sources":{"cve":[{"id":"CVE-2021-37022","description":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.","status":"published","published":"2021-11-23T15:26:49Z","modified":"2024-08-04T01:09:07.482Z","updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-23598","description":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.","status":"published","published":"2021-11-23T15:26:49Z","modified":"2024-08-04T01:09:07Z","updated_at":"2026-11-03T03:24:28.884961Z"}],"ghsa":[{"id":"GHSA-cgv7-mrmg-p534","title":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation...","description":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.","status":"published","published":"2021-11-24T00:00:42Z","modified":"2023-02-01T05:06:37Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:22.895109Z"}],"nvd":[{"id":"CVE-2021-37022","description":"There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.","status":"published","published":"2021-11-23T16:15:09.457Z","modified":"2026-06-17T03:59:50.25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}