{"id":"CVE-2021-40037","aliases":["EUVD-2021-27227","GHSA-gg65-289v-hp7m"],"status":"published","title":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in...","description":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00173,"percentile":0.06729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2022-01-07T22:39:37Z","modified":"2026-06-17T04:06:26Z","products":[{"vendor":"huawei","product":"emui"},{"vendor":"huawei","product":"harmonyos"},{"vendor":"huawei","product":"magic ui"},{"vendor":"huawei","product":"magic_ui"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2022/1/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40037"},{"url":"https://github.com/advisories/GHSA-gg65-289v-hp7m"}],"sources":{"cve":[{"id":"CVE-2021-40037","description":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.","status":"published","published":"2022-01-07T22:39:37Z","modified":"2024-08-04T02:27:31.49Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27227","description":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.","status":"published","published":"2022-01-07T22:39:37Z","modified":"2024-08-04T02:27:31Z","updated_at":"2026-11-03T03:24:21.368958Z"}],"ghsa":[{"id":"GHSA-gg65-289v-hp7m","title":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in...","description":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.","status":"published","published":"2022-01-11T00:01:17Z","modified":"2023-02-03T05:04:23Z","cwes":["CWE-843"],"updated_at":"2026-11-02T14:53:32.764591Z"}],"nvd":[{"id":"CVE-2021-40037","description":"There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.","status":"published","published":"2022-01-10T14:10:22.52Z","modified":"2026-06-17T04:06:26.093Z","cvss":[{"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"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}