{"cve":"CVE-2021-30310","nvd":{"published":"2021-10-20T07:15:08.907","modified":"2026-06-17T03:50:07.013","status":"Modified","description":"Possible buffer overflow due to Improper validation of received CF-ACK and CF-Poll data frames in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"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:apq8009_firmware","qualcomm:apq8017_firmware","qualcomm:apq8053_firmware","qualcomm:apq8096au_firmware","qualcomm:csrb31024_firmware","qualcomm:mdm9206_firmware","qualcomm:mdm9250_firmware","qualcomm:mdm9607_firmware","qualcomm:mdm9626_firmware","qualcomm:mdm9628_firmware","qualcomm:mdm9640_firmware","qualcomm:mdm9650_firmware","qualcomm:mdm9655_firmware","qualcomm:msm8996au_firmware","qualcomm:qca4020_firmware","qualcomm:qca4531_firmware","qualcomm:qca6174a_firmware","qualcomm:qca6175a_firmware","qualcomm:qca6310_firmware","qualcomm:qca6320_firmware","qualcomm:qca6564_firmware","qualcomm:qca6564a_firmware","qualcomm:qca6564au_firmware","qualcomm:qca6574_firmware","qualcomm:qca6574a_firmware","qualcomm:qca6574au_firmware","qualcomm:qca6584au_firmware","qualcomm:qca6595_firmware","qualcomm:qca6595au_firmware","qualcomm:qca6696_firmware","qualcomm:qca9367_firmware","qualcomm:qca9369_firmware","qualcomm:qca9377_firmware","qualcomm:qca9379_firmware","qualcomm:qca9886_firmware","qualcomm:qcm2290_firmware","qualcomm:qcs2290_firmware","qualcomm:sa515m_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:sd210_firmware","qualcomm:sd480_firmware","qualcomm:sd690_5g_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-30310","score":0.00596,"percentile":0.4853,"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."]}