{"id":"CVE-2021-30331","aliases":["EUVD-2021-17262","GHSA-cjmw-x525-6p4f"],"status":"published","title":"Possible buffer overflow due to improper data validation of external commands sent via DIAG...","description":"Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00144,"percentile":0.0375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2022-04-01T04:40:31Z","modified":"2026-06-17T03:50:11Z","products":[{"vendor":"qualcomm","product":"ar8035_firmware"},{"vendor":"qualcomm","product":"fsm10055_firmware"},{"vendor":"qualcomm","product":"fsm10056_firmware"},{"vendor":"qualcomm","product":"mdm9150_firmware"},{"vendor":"qualcomm","product":"mdm9650_firmware"},{"vendor":"qualcomm","product":"qca6174a_firmware"},{"vendor":"qualcomm","product":"qca6390_firmware"},{"vendor":"qualcomm","product":"qca6391_firmware"},{"vendor":"qualcomm","product":"qca6426_firmware"},{"vendor":"qualcomm","product":"qca6436_firmware"},{"vendor":"qualcomm","product":"qca8081_firmware"},{"vendor":"qualcomm","product":"qca8337_firmware"},{"vendor":"qualcomm","product":"qca9377_firmware"},{"vendor":"qualcomm","product":"qcm2290_firmware"},{"vendor":"qualcomm","product":"qcm4290_firmware"},{"vendor":"qualcomm","product":"qcm6125_firmware"},{"vendor":"qualcomm","product":"qcm6490_firmware"},{"vendor":"qualcomm","product":"qcs2290_firmware"},{"vendor":"qualcomm","product":"qcs410_firmware"},{"vendor":"qualcomm","product":"qcs4290_firmware"},{"vendor":"qualcomm","product":"qcs610_firmware"},{"vendor":"qualcomm","product":"qcs6125_firmware"},{"vendor":"qualcomm","product":"qcs6490_firmware"},{"vendor":"qualcomm","product":"qcx315_firmware"},{"vendor":"qualcomm","product":"sd460_firmware"},{"vendor":"qualcomm","product":"sd480_firmware"},{"vendor":"qualcomm","product":"sd662_firmware"},{"vendor":"qualcomm","product":"sd665_firmware"},{"vendor":"qualcomm","product":"sd675_firmware"},{"vendor":"qualcomm","product":"sd678_firmware"},{"vendor":"qualcomm","product":"sd690_5g_firmware"},{"vendor":"qualcomm","product":"sd720g_firmware"},{"vendor":"qualcomm","product":"sd730_firmware"},{"vendor":"qualcomm","product":"sd750g_firmware"},{"vendor":"qualcomm","product":"sd765_firmware"},{"vendor":"qualcomm","product":"sd765g_firmware"},{"vendor":"qualcomm","product":"sd768g_firmware"},{"vendor":"qualcomm","product":"sd778g_firmware"},{"vendor":"qualcomm","product":"sd865_5g_firmware"},{"vendor":"qualcomm","product":"sd870_firmware"},{"vendor":"qualcomm","product":"sd888_5g_firmware"},{"vendor":"qualcomm","product":"sd_675_firmware"},{"vendor":"qualcomm","product":"sd_8_gen1_5g_firmware"},{"vendor":"qualcomm","product":"sdx55_firmware"},{"vendor":"qualcomm","product":"sdx55m_firmware"},{"vendor":"qualcomm","product":"sdx65_firmware"},{"vendor":"qualcomm","product":"sdxr2_5g_firmware"},{"vendor":"qualcomm","product":"sm6225_firmware"},{"vendor":"qualcomm","product":"sm6250_firmware"},{"vendor":"qualcomm","product":"sm6250p_firmware"},{"vendor":"qualcomm","product":"sm6375_firmware"},{"vendor":"qualcomm","product":"sm7250p_firmware"},{"vendor":"qualcomm","product":"sm7325p_firmware"},{"vendor":"qualcomm","product":"sw5100_firmware"},{"vendor":"qualcomm","product":"sw5100p_firmware"},{"vendor":"qualcomm","product":"wcd9335_firmware"},{"vendor":"qualcomm","product":"wcd9341_firmware"},{"vendor":"qualcomm","product":"wcd9370_firmware"},{"vendor":"qualcomm","product":"wcd9375_firmware"},{"vendor":"qualcomm","product":"wcd9380_firmware"},{"vendor":"qualcomm","product":"wcd9385_firmware"},{"vendor":"qualcomm","product":"wcn3910_firmware"},{"vendor":"qualcomm","product":"wcn3950_firmware"},{"vendor":"qualcomm","product":"wcn3980_firmware"},{"vendor":"qualcomm","product":"wcn3988_firmware"},{"vendor":"qualcomm","product":"wcn3990_firmware"},{"vendor":"qualcomm","product":"wcn3991_firmware"},{"vendor":"qualcomm","product":"wcn3998_firmware"},{"vendor":"qualcomm","product":"wcn6750_firmware"},{"vendor":"qualcomm","product":"wcn6850_firmware"},{"vendor":"qualcomm","product":"wcn6851_firmware"},{"vendor":"qualcomm","product":"wcn6855_firmware"},{"vendor":"qualcomm","product":"wcn6856_firmware"},{"vendor":"qualcomm","product":"wsa8810_firmware"},{"vendor":"qualcomm","product":"wsa8815_firmware"},{"vendor":"qualcomm","product":"wsa8830_firmware"},{"vendor":"qualcomm","product":"wsa8835_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon wearables"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/march-2022-bulletin","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30331"},{"url":"https://github.com/advisories/GHSA-cjmw-x525-6p4f"}],"sources":{"cve":[{"id":"CVE-2021-30331","description":"Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables","status":"published","published":"2022-04-01T04:40:31Z","modified":"2024-08-03T22:32:41.142Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17262","description":"Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables","status":"published","published":"2022-04-01T04:40:31Z","modified":"2024-08-03T22:32:41Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:42.48986Z"}],"ghsa":[{"id":"GHSA-cjmw-x525-6p4f","title":"Possible buffer overflow due to improper data validation of external commands sent via DIAG...","description":"Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables","status":"published","published":"2022-04-02T00:00:16Z","modified":"2023-01-27T05:01:15Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:41:51.095902Z"}],"nvd":[{"id":"CVE-2021-30331","description":"Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables","status":"published","published":"2022-04-01T05:15:07.207Z","modified":"2026-06-17T03:50:11.143Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/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-120"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}