{"id":"CVE-2020-9223","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-9223","generatedAt":"2026-10-27T22:28:48.228Z","title":"There is a denial of service vulnerability in some Huawei smartphones.","description":"There is a denial of service vulnerability in some Huawei smartphones. Due to the improper processing of received abnormal messages, remote attackers may exploit this vulnerability to cause a denial of service (DoS) on the specific module.","published":"2020-12-29T18:15:13.000Z","lastModified":"2026-06-17T03:27:36.000Z","status":"Modified","sourceIdentifier":"psirt@huawei.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["huawei/honor 20 pro firmware","huawei/princeton-al10d firmware","huawei/yale-l21a firmware","huawei/yale-l61a firmware"],"epss":{"score":0.00888,"percentile":0.59052,"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 (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201216-03-smartphone-en","tags":["Vendor Advisory"],"source":"psirt@huawei.com"},{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201216-03-smartphone-en","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-9223","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."}