{"id":"CVE-2024-38433","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-38433","generatedAt":"2026-10-28T04:12:23.061Z","title":"Nuvoton - CWE-305: Authentication Bypass by Primary Weakness An attacker with write access to the SPI-Flash on an NPCM7xx BMC subsystem that uses the Nuvoton BootBlock reference code can modify the u-boot image header on flash parsed by the BootBlock…","description":"Nuvoton - CWE-305: Authentication Bypass by Primary Weakness\n\nAn attacker with write access to the SPI-Flash on an NPCM7xx BMC subsystem that uses the Nuvoton BootBlock\n\nreference code can modify the u-boot image header on flash parsed by the BootBlock which could lead to arbitrary code\n\nexecution.","published":"2024-07-11T08:15:11.000Z","lastModified":"2026-06-17T07:40:16.000Z","status":"Modified","sourceIdentifier":"cna@cyber.gov.il","cvss":{"version":"3.1","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-305","CWE-287"],"affected":["nuvoton/npcm750r firmware","nuvoton/npcm710r firmware","nuvoton/npcm730r firmware","nuvoton/npcm705r firmware"],"epss":{"score":0.00198,"percentile":0.0941,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.gov.il/en/Departments/faq/cve_advisories","tags":["Third Party Advisory"],"source":"cna@cyber.gov.il"},{"url":"https://www.gov.il/en/Departments/faq/cve_advisories","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-38433","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."}