{"id":"CVE-2021-0939","aliases":["A-186026549","EUVD-2021-3558","GHSA-xcmv-m68v-f4wc","PUB-A-186026549"],"status":"published","title":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a...","description":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186026549References: N/A","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00117,"percentile":0.01687,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2021-10-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["Bootloader:2021-10-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Bootloader:0"},{"fixed":"Bootloader:2021-10-05"}]}],"versions":["Bootloader"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-10-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0939"},{"url":"https://github.com/advisories/GHSA-xcmv-m68v-f4wc"},{"url":"https://source.android.com/security/bulletin/2021-10-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-0939","description":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186026549References: N/A","status":"published","published":"2021-10-25T13:20:51Z","modified":"2024-08-03T15:55:17.999Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3558","description":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186026549References: N/A","status":"published","published":"2021-10-25T13:20:51Z","modified":"2024-08-03T15:55:17Z","updated_at":"2026-11-03T03:25:16.085901Z"}],"ghsa":[{"id":"GHSA-xcmv-m68v-f4wc","title":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a...","description":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186026549References: N/A","status":"published","published":"2022-05-24T19:18:45Z","modified":"2023-01-30T05:03:12Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:47.501364Z"}],"nvd":[{"id":"CVE-2021-0939","description":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186026549References: N/A","status":"published","published":"2021-10-25T14:15:09.8Z","modified":"2026-06-17T03:30:41.48Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:00.137719Z"}],"osv":[{"id":"PUB-A-186026549","description":"In set_default_passthru_cfg of passthru.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-10-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}