{"id":"CVE-2020-11257","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-11257","generatedAt":"2026-10-27T23:29:44.194Z","title":"Memory corruption due to lack of validation of pointer arguments passed to TrustZone BSP in Snapdragon Wired Infrastructure and Networking","description":"Memory corruption due to lack of validation of pointer arguments passed to TrustZone BSP in Snapdragon Wired Infrastructure and Networking","published":"2021-06-09T05:15:08.000Z","lastModified":"2026-06-17T02:49:49.000Z","status":"Modified","sourceIdentifier":"product-security@qualcomm.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["qualcomm/ar7420 firmware","qualcomm/ar9580 firmware","qualcomm/csr8811 firmware","qualcomm/ipq4018 firmware","qualcomm/ipq4019 firmware","qualcomm/ipq4028 firmware","qualcomm/ipq4029 firmware","qualcomm/qca10901 firmware","qualcomm/qca4024 firmware","qualcomm/qca7500 firmware","qualcomm/qca7520 firmware","qualcomm/qca7550 firmware","qualcomm/qca8075 firmware","qualcomm/qca9880 firmware","qualcomm/qca9886 firmware","qualcomm/qca9888 firmware","qualcomm/qca9889 firmware","qualcomm/qca9898 firmware","qualcomm/qca9984 firmware","qualcomm/qca9992 firmware","qualcomm/qca9994 firmware","qualcomm/qcn3018 firmware","qualcomm/qfe1922 firmware","qualcomm/qfe1952 firmware","qualcomm/wcd9340 firmware","qualcomm/wsa8810 firmware"],"epss":{"score":0.00182,"percentile":0.07668,"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 (0.18%). 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/january-2021-bulletin","tags":["Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletin","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-11257","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."}