{"id":"CVE-2021-27097","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-27097","generatedAt":"2026-10-28T01:52:24.187Z","title":"The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.","description":"The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.","published":"2021-02-17T23:15:14.000Z","lastModified":"2026-06-17T03:44:17.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["denx/u-boot"],"epss":{"score":0.01068,"percentile":0.64569,"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 (1.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/u-boot/u-boot/commit/6f3c2d8aa5e6cbd80b5e869bbbddecb66c329d01","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/u-boot/u-boot/commit/8a7d4cf9820ea16fabd25a6379351b4dc291204b","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/u-boot/u-boot/commit/b6f4c757959f8850e1299a77c8e5713da78e8ec0","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00037.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-27097","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."}