Supermicro SMASH service contain an Arbitrary code execution issue

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-3821
StatePUBLISHED
AssignerSupermicro
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-22 07:16:35 UTC
Updated2026-07-22 14:17:18 UTC
DescriptionSupermicro (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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from def9a96e-e099-41a9-bfac-30fd4f82c411

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

EPSS: 0.006380000 probability, percentile 0.468170000 (date 2026-07-22)

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

VersionSourceTypeScoreSeverityVector
3.1def9a96e-e099-41a9-bfac-30fd4f82c411Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SMCI X14DBG-DAPX14DBI affected 01.00.16.00 Not specified
CNA SMCI X14DBG-DAPX14DBI affected 1.03.02.06 Not specified

References

ReferenceSourceLinkTags
www.supermicro.com/en/support/security_BMC_IPMI_Jul_2026 def9a96e-e099-41a9-bfac-30fd4f82c411 www.supermicro.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Anton Beidin and the research team at Eclypsium, Inc. (en)

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