CVE-2024-38433 json
Nuvoton - CWE-305: Authentication Bypass by Primary Weakness
published 2024-07-11 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-37325
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
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 which could lead to arbitrary code
execution.
Patch / fix
- Nuvoton NPCM7xx (Poleg) BootBlock v10.10.19
- nuvoton npcm7xx_firmware v10.10.19
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Nuvoton NPCM7xx (Poleg) BootBlock
- nuvoton npcm7xx_firmware
Classification
References
-
gov.il
/en/Departments/faq/cve_advisories
third-party-advisory
Sources
- CVE List CVE-2024-38433
- NVD CVE-2024-38433
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.