CVE-2026-3821CWE-78command-injection

CVE-2026-3821

High · published July 22, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
50.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00638 · 50.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-07-22T11:16Z
References (1)
https://www.supermicro.com/en/support/security_BMC_IPMI_Jul_2026 · def9a96e-e099-41a9-bfac-30fd4f82c411
EPSS history
Timeline
  • 22 JUL 06:15Z
    Supermicro SMASH service contain an Arbitrary code execution issue
    cvelistv5