{"id":"CVE-2021-0343","aliases":["EUVD-2021-2962","GHSA-g437-q829-mh8h"],"status":"published","title":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05449962.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00166,"percentile":0.05943,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-02-04T17:09:15Z","modified":"2026-06-17T03:29:49Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://corp.mediatek.com/product-security-acknowledgements","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0343"},{"url":"https://github.com/advisories/GHSA-g437-q829-mh8h"}],"sources":{"cve":[{"id":"CVE-2021-0343","description":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05449962.","status":"published","published":"2021-02-04T17:09:15Z","modified":"2024-08-03T15:40:00.438Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-2962","description":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05449962.","status":"published","published":"2021-02-04T17:09:15Z","modified":"2024-08-03T15:40:00Z","updated_at":"2026-11-03T03:25:17.997367Z"}],"ghsa":[{"id":"GHSA-g437-q829-mh8h","title":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05449962.","status":"published","published":"2022-05-24T17:40:58Z","modified":"2023-01-29T05:05:35Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:49.842411Z"}],"nvd":[{"id":"CVE-2021-0343","description":"In kisd, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Patch ID: ALPS05449962.","status":"published","published":"2021-02-04T19:15:13.373Z","modified":"2026-06-17T03:29:49.61Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}
