{"id":"CVE-2020-10022","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-10022","generatedAt":"2026-10-28T00:32:54.841Z","title":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS.","description":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.","published":"2020-05-11T23:15:11.000Z","lastModified":"2026-06-17T02:47:13.000Z","status":"Modified","sourceIdentifier":"vulnerabilities@zephyrproject.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["zephyrproject/zephyr"],"epss":{"score":0.02319,"percentile":0.83333,"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 (2.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022","source":"vulnerabilities@zephyrproject.org"},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24065","tags":["Patch","Third Party Advisory"],"source":"vulnerabilities@zephyrproject.org"},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24066","tags":["Patch","Third Party Advisory"],"source":"vulnerabilities@zephyrproject.org"},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24154","tags":["Patch","Third Party Advisory"],"source":"vulnerabilities@zephyrproject.org"},{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28","tags":["Third Party Advisory"],"source":"vulnerabilities@zephyrproject.org"},{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24065","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24066","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24154","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-10022","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."}