Supermicro SMASH service contain an Arbitrary code execution issue

published 2026-07-22 3mo ago modified 2026-10-24 16d ago also EUVD-2026-47615

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 3mo ago (2026-07-22)

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

SMCI X14DBG-DAP,X14DBI

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

supermicro.com /en/support/security_BMC_IPMI_Jul_2026

Sources

CVE List CVE-2026-3821
NVD CVE-2026-3821

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