{"id":"CVE-2025-20021","aliases":["EUVD-2025-7574","GHSA-f3c2-qjqv-xwx2"],"status":"published","title":"Arkcompiler Ets Runtime has an out-of-bounds read vulnerability","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00141,"percentile":0.03491,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2025-03-04T03:44:24Z","modified":"2026-06-17T08:40:32Z","products":[{"vendor":"openatom","product":"openharmony"},{"vendor":"openharmony","product":"openharmony"}],"references":[{"url":"https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-03.md","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20021"},{"url":"https://github.com/advisories/GHSA-f3c2-qjqv-xwx2"}],"sources":{"cve":[{"id":"CVE-2025-20021","title":"Arkcompiler Ets Runtime has an out-of-bounds read vulnerability","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read.","status":"published","published":"2025-03-04T03:44:24.626Z","modified":"2025-03-04T14:32:07.081Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-7574","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read.","status":"published","published":"2025-03-04T03:44:24Z","modified":"2025-03-04T14:32:07Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T20:53:17.551015Z"}],"ghsa":[{"id":"GHSA-f3c2-qjqv-xwx2","title":"in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds...","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read.","status":"published","published":"2025-03-04T06:30:33Z","modified":"2025-03-04T06:30:40Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:00:07.927723Z"}],"nvd":[{"id":"CVE-2025-20021","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read.","status":"published","published":"2025-03-04T04:15:12.703Z","modified":"2026-06-17T08:40:32.21Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:10:53.101324Z"}]}}