CVE-2024-38433
CVE-2024-38433 is a medium-severity vulnerability in Nuvoton Npcm750r Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 3.x base score 6.7)
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-37325
- Weakness: CWE-287
- Affected product: Nuvoton Npcm750r Firmware
- Published:
- Last modified:
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.
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 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-38433 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-38433?
- CVE-2024-38433 primarily affects Nuvoton Npcm750r Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-38433?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-38433 have an EU (EUVD) identifier?
- Yes. CVE-2024-38433 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37325.
- When was CVE-2024-38433 published?
- CVE-2024-38433 was published on 2024-07-11 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:o:nuvoton:npcm750r_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:nuvoton:npcm710r_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:nuvoton:npcm730r_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:nuvoton:npcm705r_firmware:*:*:*:*:*:*:*:*
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