{"id":"CVE-2021-39990","aliases":["EUVD-2021-26346","GHSA-89m3-rrvf-rq86"],"status":"published","title":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of...","description":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.","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":0.00777,"percentile":0.56283,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-01-03T21:07:39Z","modified":"2026-06-17T04:04:31Z","products":[{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39990"},{"url":"https://github.com/advisories/GHSA-89m3-rrvf-rq86"}],"sources":{"cve":[{"id":"CVE-2021-39990","description":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.","status":"published","published":"2022-01-03T21:07:39Z","modified":"2025-05-22T18:46:43.868Z","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":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-26346","description":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.","status":"published","published":"2022-01-03T21:07:39Z","modified":"2025-05-22T18:46:43Z","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"}],"updated_at":"2026-11-02T20:32:39.867081Z"}],"ghsa":[{"id":"GHSA-89m3-rrvf-rq86","title":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of...","description":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.","status":"published","published":"2022-01-04T00:00:22Z","modified":"2025-05-22T21:31:34Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:02:25.260816Z"}],"nvd":[{"id":"CVE-2021-39990","description":"The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.","status":"published","published":"2022-01-03T22:15:11.03Z","modified":"2026-06-17T04:04:31.647Z","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":"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":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}