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CVE-2024-38433

MEDIUMCVSS 6.7/10EPSS 0.20%

Last modified

CVE-2024-38433 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.20%

9.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NuvotonNpcm750r Firmware< 10.10.19
NuvotonNpcm710r Firmware< 10.10.19
NuvotonNpcm730r Firmware< 10.10.19
NuvotonNpcm705r Firmware< 10.10.19

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 the BootBlock which could lead to arbitrary code execution.
How severe is CVE-2024-38433?
CVE-2024-38433 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2024-38433?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-38433?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST