{"id":"CVE-2021-40020","aliases":["EUVD-2021-27210","GHSA-7q5j-32q8-c3qg"],"status":"published","title":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones....","description":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00695,"percentile":0.53289,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2022-01-07T22:39:32Z","modified":"2026-06-17T04:06:24Z","products":[{"vendor":"huawei","product":"emui"},{"vendor":"huawei","product":"magic ui"},{"vendor":"huawei","product":"magic_ui"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2022/1/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40020"},{"url":"https://github.com/advisories/GHSA-7q5j-32q8-c3qg"}],"sources":{"cve":[{"id":"CVE-2021-40020","description":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.","status":"published","published":"2022-01-07T22:39:32Z","modified":"2024-08-04T02:27:30.478Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27210","description":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.","status":"published","published":"2022-01-07T22:39:32Z","modified":"2024-08-04T02:27:30Z","updated_at":"2026-11-03T03:24:21.368958Z"}],"ghsa":[{"id":"GHSA-7q5j-32q8-c3qg","title":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones....","description":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.","status":"published","published":"2022-01-11T00:01:23Z","modified":"2023-02-03T05:04:16Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:53:31.323466Z"}],"nvd":[{"id":"CVE-2021-40020","description":"There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.","status":"published","published":"2022-01-10T14:10:21.557Z","modified":"2026-06-17T04:06:24.347Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}