{"id":"CVE-2021-37021","aliases":["EUVD-2021-23597","GHSA-f83w-p3hx-66hc"],"status":"published","title":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation...","description":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00799,"percentile":0.57042,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-787"],"published":"2021-12-07T16:02:00Z","modified":"2026-06-17T03:59:50Z","products":[{"vendor":"huawei","product":"emui"},{"vendor":"huawei","product":"harmonyos"},{"vendor":"huawei","product":"magic_ui"}],"references":[{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37021"},{"url":"https://github.com/advisories/GHSA-f83w-p3hx-66hc"}],"sources":{"cve":[{"id":"CVE-2021-37021","description":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.","status":"published","published":"2021-12-07T16:02:00Z","modified":"2024-08-04T01:09:07.959Z","updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-23597","description":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.","status":"published","published":"2021-12-07T16:02:00Z","modified":"2024-08-04T01:09:07Z","updated_at":"2026-11-03T03:24:28.884961Z"}],"ghsa":[{"id":"GHSA-f83w-p3hx-66hc","title":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation...","description":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.","status":"published","published":"2021-12-08T00:01:22Z","modified":"2023-08-08T15:31:24Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:54:44.111289Z"}],"nvd":[{"id":"CVE-2021-37021","description":"There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.","status":"published","published":"2021-12-07T17:15:08.343Z","modified":"2026-06-17T03:59:50.147Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}