{"cve":"CVE-2021-30321","nvd":{"published":"2021-11-12T07:15:07.813","modified":"2026-06-17T03:50:09.093","status":"Modified","description":"Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin","https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin"],"products":["qualcomm:aqt1000_firmware","qualcomm:qca1062_firmware","qualcomm:qca1064_firmware","qualcomm:qca2066_firmware","qualcomm:qca6320_firmware","qualcomm:qca6391_firmware","qualcomm:qca6420_firmware","qualcomm:qca6430_firmware","qualcomm:sc8280xp_firmware","qualcomm:sd_8cx_firmware","qualcomm:wcd9340_firmware","qualcomm:wcd9341_firmware","qualcomm:wcd9380_firmware","qualcomm:wcd9385_firmware","qualcomm:wcn3998_firmware","qualcomm:wcn6850_firmware","qualcomm:wcn6851_firmware","qualcomm:wcn6855_firmware","qualcomm:wcn6856_firmware","qualcomm:wsa8810_firmware","qualcomm:wsa8815_firmware","qualcomm:wsa8830_firmware","qualcomm:wsa8835_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-30321","score":0.0078,"percentile":0.55944,"date":"2026-11-01"},"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."]}