{"id":"CVE-2021-40021","aliases":["EUVD-2021-27211","GHSA-6f45-87x7-3v2q"],"status":"published","title":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this...","description":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this vulnerability may affect data 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":"2026-11-12","score":0.00695,"percentile":0.53448,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-01-07T22:39:43Z","modified":"2026-06-17T04:06:24Z","products":[{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40021"},{"url":"https://github.com/advisories/GHSA-6f45-87x7-3v2q"}],"sources":{"cve":[{"id":"CVE-2021-40021","description":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this vulnerability may affect data confidentiality.","status":"published","published":"2022-01-07T22:39:43Z","modified":"2024-08-04T02:27:30.518Z","updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27211","description":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this vulnerability may affect data confidentiality.","status":"published","published":"2022-01-07T22:39:43Z","modified":"2024-08-04T02:27:30Z","updated_at":"2026-11-03T03:24:21.368958Z"}],"ghsa":[{"id":"GHSA-6f45-87x7-3v2q","title":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this...","description":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this vulnerability may affect data confidentiality.","status":"published","published":"2022-01-11T00:01:23Z","modified":"2023-02-03T05:04:31Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:33.746621Z"}],"nvd":[{"id":"CVE-2021-40021","description":"The eID module has an out-of-bounds memory write vulnerability,Successful exploitation of this vulnerability may affect data confidentiality.","status":"published","published":"2022-01-10T14:10:21.603Z","modified":"2026-06-17T04:06:24.443Z","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-787"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}