{"id":"CVE-2021-30333","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-30333","generatedAt":"2026-10-27T21:20:37.477Z","title":"Improper validation of buffer size input to the EFS file can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music,…","description":"Improper validation of buffer size input to the EFS file can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables","published":"2022-04-01T05:15:07.000Z","lastModified":"2026-06-17T03:50:11.000Z","status":"Modified","sourceIdentifier":"product-security@qualcomm.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["qualcomm/apq8009w firmware","qualcomm/apq8017 firmware","qualcomm/apq8053 firmware","qualcomm/apq8096au firmware","qualcomm/aqt1000 firmware","qualcomm/ar8035 firmware","qualcomm/csrb31024 firmware","qualcomm/mdm8207 firmware","qualcomm/mdm9207 firmware","qualcomm/mdm9607 firmware","qualcomm/mdm9628 firmware","qualcomm/mdm9640 firmware","qualcomm/msm8909w firmware","qualcomm/msm8953 firmware","qualcomm/msm8996au firmware","qualcomm/qca6174a firmware","qualcomm/qca6390 firmware","qualcomm/qca6391 firmware","qualcomm/qca6420 firmware","qualcomm/qca6426 firmware","qualcomm/qca6430 firmware","qualcomm/qca6436 firmware","qualcomm/qca6564a firmware","qualcomm/qca6564au firmware","qualcomm/qca6574 firmware","qualcomm/qca6574a firmware","qualcomm/qca6574au firmware","qualcomm/qca6584au firmware","qualcomm/qca6595au firmware","qualcomm/qca6696 firmware","qualcomm/qca8081 firmware","qualcomm/qca8337 firmware","qualcomm/qca9367 firmware","qualcomm/qca9377 firmware","qualcomm/qcm2290 firmware","qualcomm/qcm4290 firmware","qualcomm/qcm6125 firmware","qualcomm/qcm6490 firmware","qualcomm/qcs2290 firmware","qualcomm/qcs410 firmware","qualcomm/qcs4290 firmware","qualcomm/qcs610 firmware","qualcomm/qcs6125 firmware","qualcomm/qcs6490 firmware","qualcomm/qcx315 firmware","qualcomm/qet4101 firmware","qualcomm/qsw8573 firmware","qualcomm/qualcomm215 firmware","qualcomm/sa415m firmware","qualcomm/sa515m firmware","qualcomm/sd 675 firmware","qualcomm/sd 8 gen1 5g firmware","qualcomm/sd 8cx gen2 firmware","qualcomm/sd205 firmware","qualcomm/sd210 firmware","qualcomm/sd429 firmware","qualcomm/sd439 firmware","qualcomm/sd460 firmware","qualcomm/sd480 firmware","qualcomm/sd660 firmware"],"epss":{"score":0.00145,"percentile":0.03761,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/march-2022-bulletin","tags":["Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/march-2022-bulletin","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-30333","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}