{"cve":"CVE-2021-30306","nvd":{"published":"2021-10-20T07:15:08.850","modified":"2026-06-17T03:50:06.330","status":"Modified","description":"Possible buffer over read due to improper buffer allocation for file length passed from user space in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-125"],"references":["https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin","https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin"],"products":["qualcomm:apq8053_firmware","qualcomm:msm8953_firmware","qualcomm:qca6174a_firmware","qualcomm:qca6390_firmware","qualcomm:qca6391_firmware","qualcomm:qca6426_firmware","qualcomm:qca6574_firmware","qualcomm:qca6574a_firmware","qualcomm:qca6574au_firmware","qualcomm:qca6595au_firmware","qualcomm:qca6696_firmware","qualcomm:qca9377_firmware","qualcomm:qcm6490_firmware","qualcomm:qcs6490_firmware","qualcomm:qrb5165_firmware","qualcomm:sa6145p_firmware","qualcomm:sa6150p_firmware","qualcomm:sa6155_firmware","qualcomm:sa6155p_firmware","qualcomm:sa8145p_firmware","qualcomm:sa8150p_firmware","qualcomm:sa8155_firmware","qualcomm:sa8155p_firmware","qualcomm:sa8195p_firmware","qualcomm:sd460_firmware","qualcomm:sd480_firmware","qualcomm:sd662_firmware","qualcomm:sd690_5g_firmware","qualcomm:sd750g_firmware","qualcomm:sd765_firmware","qualcomm:sd765g_firmware","qualcomm:sd768g_firmware","qualcomm:sd778g_firmware","qualcomm:sd780g_firmware","qualcomm:sd865_5g_firmware","qualcomm:sd870_firmware","qualcomm:sd888_5g_firmware","qualcomm:sd888_firmware","qualcomm:sdx12_firmware","qualcomm:sdx55m_firmware","qualcomm:sm7250_firmware","qualcomm:sm7325_firmware","qualcomm:wcd9326_firmware","qualcomm:wcd9335_firmware","qualcomm:wcd9341_firmware","qualcomm:wcd9370_firmware","qualcomm:wcd9375_firmware","qualcomm:wcd9380_firmware","qualcomm:wcd9385_firmware","qualcomm:wcn3615_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-30306","score":0.0015,"percentile":0.04168,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}