Vulnerability · Published Jul 11, 2024 · Assigned by INCD
CVE-2024-38433Nuvoton - CWE-305: Authentication Bypass by Primary Weakness
Medium 6.7
In plain English
A medium-severity security flaw in NPCM7xx (Poleg) BootBlock from Nuvoton. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.2%top 90.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Nuvoton | NPCM7xx (Poleg) BootBlock | All versions – before v10.10.19 |
Weakness: CWE-305 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H