{"id":"CVE-2021-22480","aliases":["EUVD-2021-9626","GHSA-6qwq-gh52-w4xj"],"status":"published","title":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful...","description":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.","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":"2026-11-10","score":0.00741,"percentile":0.54963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2022-02-25T18:11:01Z","modified":"2026-06-17T03:37:17Z","products":[{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22480"},{"url":"https://github.com/advisories/GHSA-6qwq-gh52-w4xj"}],"sources":{"cve":[{"id":"CVE-2021-22480","description":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.","status":"published","published":"2022-02-25T18:11:01Z","modified":"2024-08-03T18:44:14.004Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-9626","description":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.","status":"published","published":"2022-02-25T18:11:01Z","modified":"2024-08-03T18:44:14Z","updated_at":"2026-11-03T03:25:02.042856Z"}],"ghsa":[{"id":"GHSA-6qwq-gh52-w4xj","title":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful...","description":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.","status":"published","published":"2022-02-26T00:00:39Z","modified":"2023-02-03T05:06:24Z","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-190"],"updated_at":"2026-11-02T14:53:53.812094Z"}],"nvd":[{"id":"CVE-2021-22480","description":"The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.","status":"published","published":"2022-02-25T19:15:11.207Z","modified":"2026-06-17T03:37:17.86Z","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":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}