{"id":"CVE-2021-1889","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-1889","generatedAt":"2026-10-27T22:25:20.491Z","title":"Possible buffer overflow due to lack of length check in Trusted Application in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables","description":"Possible buffer overflow due to lack of length check in Trusted Application in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables","published":"2021-07-13T06:15:08.000Z","lastModified":"2026-06-17T03:32:44.000Z","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-120"],"affected":["qualcomm/apq8017 firmware","qualcomm/apq8037 firmware","qualcomm/apq8053 firmware","qualcomm/apq8064au firmware","qualcomm/apq8096au firmware","qualcomm/aqt1000 firmware","qualcomm/ar8031 firmware","qualcomm/ar8035 firmware","qualcomm/csra6620 firmware","qualcomm/csra6640 firmware","qualcomm/csrb31024 firmware","qualcomm/fsm10055 firmware","qualcomm/fsm10056 firmware","qualcomm/mdm9205 firmware","qualcomm/mdm9640 firmware","qualcomm/mdm9650 firmware","qualcomm/mdm9655 firmware","qualcomm/msm8917 firmware","qualcomm/msm8920 firmware","qualcomm/msm8937 firmware","qualcomm/msm8940 firmware","qualcomm/msm8953 firmware","qualcomm/msm8996au firmware","qualcomm/pm8937 firmware","qualcomm/qca4004 firmware","qualcomm/qca4020 firmware","qualcomm/qca6174a firmware","qualcomm/qca6175a firmware","qualcomm/qca6234 firmware","qualcomm/qca6320 firmware","qualcomm/qca6390 firmware","qualcomm/qca6391 firmware","qualcomm/qca6420 firmware","qualcomm/qca6421 firmware","qualcomm/qca6426 firmware","qualcomm/qca6430 firmware","qualcomm/qca6431 firmware","qualcomm/qca6436 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/qca6694 firmware","qualcomm/qca6694au firmware","qualcomm/qca6696 firmware","qualcomm/qca8337 firmware","qualcomm/qca9377 firmware","qualcomm/qca9379 firmware","qualcomm/qcm2290 firmware","qualcomm/qcm4290 firmware","qualcomm/qcm6125 firmware","qualcomm/qcs2290 firmware","qualcomm/qcs405 firmware","qualcomm/qcs410 firmware","qualcomm/qcs4290 firmware"],"epss":{"score":0.00168,"percentile":0.06115,"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 (0.17%). 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/july-2021-bulletin","tags":["Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-1889","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."}