{"id":"CVE-2021-1901","aliases":["2780528","A-176750940","EUVD-2021-7365","GHSA-4w3h-xrfh-9v5v","PUB-A-176750940"],"status":"published","title":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon...","description":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00142,"percentile":0.035,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2021-07-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"kernel/lk","fixed_in":["SoCVersion:2021-07-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"kernel/lk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2021-07-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"qualcomm","product":"apq8009_firmware"},{"vendor":"qualcomm","product":"apq8053_firmware"},{"vendor":"qualcomm","product":"aqt1000_firmware"},{"vendor":"qualcomm","product":"mdm9206_firmware"},{"vendor":"qualcomm","product":"qca6420_firmware"},{"vendor":"qualcomm","product":"qca6430_firmware"},{"vendor":"qualcomm","product":"qca9367_firmware"},{"vendor":"qualcomm","product":"qca9377_firmware"},{"vendor":"qualcomm","product":"qualcomm215_firmware"},{"vendor":"qualcomm","product":"sd205_firmware"},{"vendor":"qualcomm","product":"sd210_firmware"},{"vendor":"qualcomm","product":"sd675_firmware"},{"vendor":"qualcomm","product":"sd678_firmware"},{"vendor":"qualcomm","product":"sd720g_firmware"},{"vendor":"qualcomm","product":"sd730_firmware"},{"vendor":"qualcomm","product":"sd855_firmware"},{"vendor":"qualcomm","product":"sd_675_firmware"},{"vendor":"qualcomm","product":"sda429w_firmware"},{"vendor":"qualcomm","product":"sdx50m_firmware"},{"vendor":"qualcomm","product":"sdx55_firmware"},{"vendor":"qualcomm","product":"sdx55m_firmware"},{"vendor":"qualcomm","product":"sm6250_firmware"},{"vendor":"qualcomm","product":"wcd9326_firmware"},{"vendor":"qualcomm","product":"wcd9330_firmware"},{"vendor":"qualcomm","product":"wcd9340_firmware"},{"vendor":"qualcomm","product":"wcd9341_firmware"},{"vendor":"qualcomm","product":"wcd9370_firmware"},{"vendor":"qualcomm","product":"wcd9375_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wcn3610_firmware"},{"vendor":"qualcomm","product":"wcn3615_firmware"},{"vendor":"qualcomm","product":"wcn3620_firmware"},{"vendor":"qualcomm","product":"wcn3660b_firmware"},{"vendor":"qualcomm","product":"wcn3680_firmware"},{"vendor":"qualcomm","product":"wcn3680b_firmware"},{"vendor":"qualcomm","product":"wcn3950_firmware"},{"vendor":"qualcomm","product":"wcn3980_firmware"},{"vendor":"qualcomm","product":"wcn3988_firmware"},{"vendor":"qualcomm","product":"wcn3991_firmware"},{"vendor":"qualcomm","product":"wcn3998_firmware"},{"vendor":"qualcomm","product":"wsa8810_firmware"},{"vendor":"qualcomm","product":"wsa8815_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice \u0026 music, snapdragon wearables"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1901"},{"url":"https://github.com/advisories/GHSA-4w3h-xrfh-9v5v"},{"url":"https://source.android.com/security/bulletin/2021-07-01","tags":["advisory"]},{"url":"https://source.codeaurora.org/quic/le/kernel/lk/commit/?id=21494e19e8496d43f620c44fc94cde9d84c0044c","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-1901","description":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables","status":"published","published":"2021-07-13T05:30:49Z","modified":"2024-08-03T16:25:06.288Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-7365","description":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables","status":"published","published":"2021-07-13T05:30:49Z","modified":"2024-08-03T16:25:06Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:25:14.678157Z"}],"ghsa":[{"id":"GHSA-4w3h-xrfh-9v5v","title":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon...","description":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables","status":"published","published":"2022-05-24T19:07:46Z","modified":"2023-01-30T05:00:43Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:15.885384Z"}],"nvd":[{"id":"CVE-2021-1901","description":"Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables","status":"published","published":"2021-07-13T06:15:08.427Z","modified":"2026-06-17T03:32:47.193Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"PUB-A-176750940","status":"published","published":"2021-07-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}