Vulnerability-Lookup

CVE-2026-3821 (GCVE-0-2026-3821)

Vulnerability from cvelistv5 – Published: 2026-07-22 06:15 – Updated: 2026-07-22 12:57

Title

Supermicro SMASH service contain an Arbitrary code execution issue

Summary

Supermicro (SMC) SMASH services contain an Arbitrary code execution issue in X14DBG-DAP and X14DBI. An authorized attacker can exploit SMASH’s input capability to compromise data integrity or launch a Denial-of-Service (DoS) attack against the BMC.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')

Assigner

Supermicro

References

1 reference

URL	Tags
https://www.supermicro.com/en/support/security_BM…

Impacted products

1 product

Vendor	Product	Version
SMCI	X14DBG-DAP,X14DBI	Affected: 01.00.16.00 Affected: 1.03.02.06

Credits

Anton Beidin and the research team at Eclypsium, Inc.

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-3821

Vulnerability from fkie_nvd - Published: 2026-07-22 07:16 - Updated: 2026-07-22 14:17

Severity

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

Summary

References

	URL	Tags
	def9a96e-e099-41a9-bfac-30fd4f82c411	https://www.supermicro.com/en/support/security_BMC_IPMI_Jul_2026

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "X14DBG-DAP,X14DBI",
          "vendor": "SMCI",
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              "status": "affected",
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            {
              "status": "affected",
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        }
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GHSA-CJFF-5V28-X7H8

Vulnerability from github – Published: 2026-07-22 09:32 – Updated: 2026-07-22 09:32

Details

Severity

8.8 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-3821"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
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    "severity": "HIGH"
  },
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  "id": "GHSA-cjff-5v28-x7h8",
  "modified": "2026-07-22T09:32:13Z",
  "published": "2026-07-22T09:32:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3821"
    },
    {
      "type": "WEB",
      "url": "https://www.supermicro.com/en/support/security_BMC_IPMI_Jul_2026"
    }
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      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-3821 (GCVE-0-2026-3821)

FKIE_CVE-2026-3821

GHSA-CJFF-5V28-X7H8

Tags

Sightings

Nomenclature