fkie_nvd - fkie_cve-2025-4275

fkie_cve-2025-4275

Vulnerability from fkie_nvd

Published

2025-06-11 01:15

Modified

2025-07-30 08:15

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.

References

▶	URL	Tags
	8338d8cb-57f7-4252-abc0-96fd13e98d21	https://www.insyde.com/security-pledge/sa-2025002/
	af854a3a-2127-422b-91ae-364da2661108	https://www.kb.cert.org/vuls/id/211341

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot."
    },
    {
      "lang": "es",
      "value": "Al ejecutar la utilidad proporcionada, se cambia el certificado en cualquier BIOS Insyde y luego se puede iniciar el archivo .efi adjunto."
    }
  ],
  "id": "CVE-2025-4275",
  "lastModified": "2025-07-30T08:15:34.240",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 6.0,
        "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-06-11T01:15:20.750",
  "references": [
    {
      "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
      "url": "https://www.insyde.com/security-pledge/sa-2025002/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.kb.cert.org/vuls/id/211341"
    }
  ],
  "sourceIdentifier": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-4275 (GCVE-0-2025-4275)

Vulnerability from cvelistv5

Published

2025-06-11 00:25

Modified

2025-08-14 05:58

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE

cwe-284: Improper Access Control

Summary

A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.

References

►

URL

Tags

https://www.insyde.com/security-pledge/sa-2025002/

Impacted products

	Vendor	Product	Version
	Insyde Software	InsydeH2O	Version: Kernel 5.2 Version: Kernel 5.3 Version: Kernel 5.4 Version: Kernel 5.5 Version: Kernel 5.6 Version: Kernel 5.7

Show details on NVD website

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-06-11T01:32:11.159Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.kb.cert.org/vuls/id/211341"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-4275",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-11T13:38:13.231273Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-30T13:30:23.397Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "platforms": [
            "kernel 5.2",
            "kernel 5.3",
            "kernel 5.4",
            "kernel 5.5",
            "kernel 5.6",
            "kernel 5.7"
          ],
          "product": "InsydeH2O",
          "vendor": "Insyde Software",
          "versions": [
            {
              "lessThan": "05.2A.16",
              "status": "affected",
              "version": "Kernel 5.2",
              "versionType": "Tag"
            },
            {
              "lessThan": "05.39.16",
              "status": "affected",
              "version": "Kernel 5.3",
              "versionType": "Tag"
            },
            {
              "lessThan": "05.47.16",
              "status": "affected",
              "version": "Kernel 5.4",
              "versionType": "Tag"
            },
            {
              "lessThan": "05.55.16",
              "status": "affected",
              "version": "Kernel 5.5",
              "versionType": "Tag"
            },
            {
              "lessThan": "05.62.16",
              "status": "affected",
              "version": "Kernel 5.6",
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              "lessThan": "05.71.16",
              "status": "affected",
              "version": "Kernel 5.7",
              "versionType": "Tag"
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          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Thanks to Nikolaj Schlej, independent firmware security researcher, for reporting the vulnerability and engaging in this coordinated disclosure."
        }
      ],
      "datePublic": "2025-06-10T00:18:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
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          ],
          "value": "A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "cwe-284: Improper Access Control",
              "lang": "en"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-14T05:58:07.245Z",
        "orgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
        "shortName": "Insyde"
      },
      "references": [
        {
          "url": "https://www.insyde.com/security-pledge/sa-2025002/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ekernel 5.2, Version 05.2A.16\u003c/span\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ekernel 5.3, Version 05.39.16\u003c/span\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ekernel 5.4, Version 05.47.16\u003c/span\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ekernel 5.5, Version 05.55.16\u003c/span\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ekernel 5.6, Version 05.62.16\u003c/span\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ekernel 5.7, Version 05.71.16\u003c/span\u003e\n\n\u003cbr\u003e"
            }
          ],
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        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "SecureFlashDxe: Incorrect UEFI variable attributes check allows usage of invalid certificate",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
    "assignerShortName": "Insyde",
    "cveId": "CVE-2025-4275",
    "datePublished": "2025-06-11T00:25:17.737Z",
    "dateReserved": "2025-05-05T01:59:27.834Z",
    "dateUpdated": "2025-08-14T05:58:07.245Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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