Vulnerability-Lookup

FKIE_CVE-2024-38433

Vulnerability from fkie_nvd - Published: 2024-07-11 08:15 - Updated: 2026-06-17 07:40

Severity

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

References

	URL	Tags
	cna@cyber.gov.il	https://www.gov.il/en/Departments/faq/cve_advisories	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.gov.il/en/Departments/faq/cve_advisories	Third Party Advisory

Impacted products

Vendor	Product	Version
nuvoton	npcm750r_firmware	*
nuvoton	npcm750r	-
nuvoton	npcm710r_firmware	*
nuvoton	npcm710r	-
nuvoton	npcm730r_firmware	*
nuvoton	npcm730r	-
nuvoton	npcm705r_firmware	*
nuvoton	npcm705r	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "NPCM7xx (Poleg) BootBlock",
          "vendor": "Nuvoton",
          "versions": [
            {
              "lessThan": "v10.10.19",
              "status": "affected",
              "version": "All versions",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cna@cyber.gov.il"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:nuvoton:npcm7xx_firmware:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "npcm7xx_firmware",
          "vendor": "nuvoton",
          "versions": [
            {
              "lessThan": "v10.10.19",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "versionEndExcluding": "10.10.19",
              "vulnerable": true
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              "vulnerable": false
            }
          ],
          "negate": false,
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              "versionEndExcluding": "10.10.19",
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              "vulnerable": false
            }
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              "versionEndExcluding": "10.10.19",
              "vulnerable": true
            }
          ],
          "negate": false,
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        },
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              "vulnerable": false
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              "versionEndExcluding": "10.10.19",
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              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nuvoton - CWE-305: Authentication Bypass by Primary Weakness\n\nAn attacker with write access to the SPI-Flash on an NPCM7xx BMC subsystem that uses the Nuvoton BootBlock\n\nreference code can modify the u-boot image header on flash parsed by the BootBlock which could lead to arbitrary code\n\nexecution."
    },
    {
      "lang": "es",
      "value": "Nuvoton - CWE-305: Omisi\u00f3n de autenticaci\u00f3n por debilidad primaria Un atacante con acceso de escritura a SPI-Flash en un subsistema BMC NPCM7xx que utiliza el c\u00f3digo de referencia Nuvoton BootBlock puede modificar el encabezado de la imagen u-boot en flash analizado por BootBlock, lo que podr\u00eda provocar a la ejecuci\u00f3n de c\u00f3digo arbitrario."
    }
  ],
  "id": "CVE-2024-38433",
  "lastModified": "2026-06-17T07:40:16.273",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "cna@cyber.gov.il",
        "type": "Secondary"
      },
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          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
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          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
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        },
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        "impactScore": 5.9,
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        "type": "Primary"
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        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-11T14:42:53.159606Z",
          "version": "2.0.3"
        }
      }
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  },
  "published": "2024-07-11T08:15:10.623",
  "references": [
    {
      "source": "cna@cyber.gov.il",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.gov.il/en/Departments/faq/cve_advisories"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.gov.il/en/Departments/faq/cve_advisories"
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  "sourceIdentifier": "cna@cyber.gov.il",
  "vulnStatus": "Modified",
  "weaknesses": [
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        {
          "lang": "en",
          "value": "CWE-305"
        }
      ],
      "source": "cna@cyber.gov.il",
      "type": "Secondary"
    },
    {
      "description": [
        {
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          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-38433 (GCVE-0-2024-38433)

Vulnerability from cvelistv5 – Published: 2024-07-11 07:50 – Updated: 2024-08-02 04:12

Title

Nuvoton - CWE-305: Authentication Bypass by Primary Weakness

Summary

Severity

6.7 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-11 14:42 UTC

CWE

CWE-305 - Authentication Bypass by Primary Weakness

Assigner

INCD mitre root

References

1 reference

URL	Tags
https://www.gov.il/en/Departments/faq/cve_advisories

Impacted products

2 products

Vendor	Product	Version
Nuvoton	NPCM7xx (Poleg) BootBlock	Affected: All versions , < v10.10.19 (custom)
nuvoton	npcm7xx_firmware	Affected: 0 , < v10.10.19 (custom) cpe:2.3:o:nuvoton:npcm7xx_firmware::::::::

Date Public

2024-07-11 07:45

Credits

Ferdinand Nölscher of Google's OTS-HS Team

Show details on NVD website

JSON

To clipboard

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              "cpe:2.3:o:nuvoton:npcm7xx_firmware:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "npcm7xx_firmware",
            "vendor": "nuvoton",
            "versions": [
              {
                "lessThan": "v10.10.19",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
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                "options": [
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                    "Exploitation": "none"
                  },
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                  },
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                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-11T14:42:53.159606Z",
                "version": "2.0.3"
              },
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-11T14:42:56.399Z",
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        },
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        "providerMetadata": {
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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FKIE_CVE-2024-38433

CVE-2024-38433 (GCVE-0-2024-38433)

Tags

Sightings

Nomenclature

Related by attack behaviour