{"id":"CVE-2025-23420","aliases":["EUVD-2025-7640","GHSA-p49r-wqf4-pghg"],"status":"published","title":"Arkcompiler Ets Runtime has an out-of-bounds write vulnerability","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00169,"percentile":0.06347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2025-03-04T03:44:51Z","modified":"2026-06-17T08:54:13Z","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-2025-23420"},{"url":"https://github.com/advisories/GHSA-p49r-wqf4-pghg"}],"sources":{"cve":[{"id":"CVE-2025-23420","title":"Arkcompiler Ets Runtime has an out-of-bounds write vulnerability","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.","status":"published","published":"2025-03-04T03:44:51.036Z","modified":"2025-03-11T16:09:27.184Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:33.410838Z"}],"euvd":[{"id":"EUVD-2025-7640","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.","status":"published","published":"2025-03-04T03:44:51Z","modified":"2025-03-11T16:09:27Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T20:53:07.365753Z"}],"ghsa":[{"id":"GHSA-p49r-wqf4-pghg","title":"in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre...","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.","status":"published","published":"2025-03-04T06:30:34Z","modified":"2025-03-04T06:30:41Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:00:08.489328Z"}],"nvd":[{"id":"CVE-2025-23420","description":"in OpenHarmony v5.0.2 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write. This vulnerability can be exploited only in restricted scenarios.","status":"published","published":"2025-03-04T04:15:15.657Z","modified":"2026-06-17T08:54:13.593Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:10:53.101324Z"}]}}