{"id":"CVE-2024-21816","aliases":["EUVD-2024-19428","GHSA-hxq4-v53v-rh4h"],"status":"published","title":"Background task manager has an improper preservation of permissions vulnerability","description":"in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through improper preservation of permissions.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00143,"percentile":0.03706,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-281"],"published":"2024-03-04T06:19:14Z","modified":"2026-06-17T07:10:13Z","products":[{"vendor":"openatom","product":"openharmony"},{"vendor":"openharmony","product":"openharmony"}],"references":[{"url":"https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2024/2024-03.md","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21816"},{"url":"https://github.com/advisories/GHSA-hxq4-v53v-rh4h"}],"sources":{"cve":[{"id":"CVE-2024-21816","title":"Background task manager has an improper preservation of permissions vulnerability","description":"in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through improper preservation of permissions.","status":"published","published":"2024-03-04T06:19:14.854Z","modified":"2024-08-01T22:27:36.29Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:34:05.077718Z"}],"euvd":[{"id":"EUVD-2024-19428","description":"in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through improper preservation of permissions.","status":"published","published":"2024-03-04T06:19:14Z","modified":"2024-08-01T22:27:36Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:29.983832Z"}],"ghsa":[{"id":"GHSA-hxq4-v53v-rh4h","title":"in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through...","description":"in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through improper preservation of permissions.","status":"published","published":"2024-03-04T09:30:29Z","modified":"2026-03-18T05:11:07Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T15:06:41.700997Z"}],"nvd":[{"id":"CVE-2024-21816","description":"in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through improper preservation of permissions.","status":"published","published":"2024-03-04T07:15:09.743Z","modified":"2026-06-17T07:10:13.083Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:09:39.488031Z"}]}}