Vulnerability-Lookup

CVE-2025-4276 (GCVE-0-2025-4276)

Vulnerability from cvelistv5 – Published: 2025-08-13 01:41 – Updated: 2025-08-14 05:54

Title

UsbCoreDxe: improper input validation may lead to arbitrary code execution

Summary

UsbCoreDxe has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-13 13:22 UTC

CWE

CWE-20 - Improper Input Validation

Assigner

Insyde mitre root

References

1 reference

URL	Tags
https://www.insyde.com/security-pledge/sa-2025005/

Impacted products

1 product

Vendor	Product	Version	CPE status
Insyde Software	InsydeH2O	Affected: Kernel 5.3 , < 05.39.18 (custom) Affected: Kernel 5.4 , < 05.47.18 (custom) Affected: Kernel 5.5 , < 05.55.18 (custom) Affected: Kernel 5.6 , < 05.62.18 (custom) Affected: Kernel 5.7 , < 05.71.18 (custom)	guessed

Date Public

2025-08-13 01:34

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-4276

Vulnerability from fkie_nvd - Published: 2025-08-13 02:15 - Updated: 2026-06-17 09:32

Severity

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

Summary

UsbCoreDxe has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

References

	URL	Tags
	8338d8cb-57f7-4252-abc0-96fd13e98d21	https://www.insyde.com/security-pledge/sa-2025005/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "InsydeH2O",
          "vendor": "Insyde Software",
          "versions": [
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              "lessThan": "05.39.18",
              "status": "affected",
              "version": "Kernel 5.3",
              "versionType": "custom"
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              "version": "Kernel 5.4",
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  "lastModified": "2026-06-17T09:32:55.490",
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GHSA-RX4H-PWFX-X49F

Vulnerability from github – Published: 2025-08-13 03:30 – Updated: 2025-08-13 03:30

Details

UsbCoreDxe has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

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  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
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    "severity": "HIGH"
  },
  "details": "UsbCoreDxe has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.",
  "id": "GHSA-rx4h-pwfx-x49f",
  "modified": "2025-08-13T03:30:24Z",
  "published": "2025-08-13T03:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-4276"
    },
    {
      "type": "WEB",
      "url": "https://www.insyde.com/security-pledge/sa-2025005"
    }
  ],
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      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2025-1801

Vulnerability from csaf_certbund - Published: 2025-08-12 22:00 - Updated: 2025-08-13 22:00

Summary

Insyde UEFI Firmware: Mehrere Schwachstellen ermöglichen Codeausführung

Severity

Mittel

Scope

3 vulnerabilities in this advisory, including CVE-2025-4276.

CVE-2025-4276

Known affected: 3 products

Open the full advisory

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2025-4276 (GCVE-0-2025-4276)

FKIE_CVE-2025-4276

GHSA-RX4H-PWFX-X49F

WID-SEC-W-2025-1801

Tags

Sightings

Nomenclature

Related by attack behaviour