What is CVE-2024-38433?

CVE-2024-38433 is a medium-severity vulnerability in Nuvoton Npcm705r, classified under Authentication Bypass by Primary Weakness. CVSS score: 6.7/10. Published 2024-07-11.

How severe is CVE-2024-38433?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Auth bypass in Nuvoton Npcm705r

CVE-2024-38433

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…

EPSS: 0.002 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nuvoton Npcm705r
Nuvoton Npcm705r_firmware
Nuvoton Npcm710r
Nuvoton Npcm710r_firmware
Nuvoton Npcm730r
Nuvoton Npcm730r_firmware
Nuvoton Npcm750r
Nuvoton Npcm750r_firmware
Nuvoton Npcm7xx (Poleg) Bootblock — versions All versions

Weakness classification (CWE)

CWE-305 — Authentication Bypass by Primary Weakness
CWE-287 — Improper Authentication

References

cna@cyber.gov.il (Third Party Advisory)

Frequently asked questions

What is CVE-2024-38433?: CVE-2024-38433 is a medium-severity vulnerability in Nuvoton Npcm705r, classified under Authentication Bypass by Primary Weakness. CVSS score: 6.7/10. Published 2024-07-11.
How severe is CVE-2024-38433?: Medium severity. CVSS v3 base score is 6.7 out of 10.