Arbitrary Code Execution Vulnerability in Supermicro BMC Products
CVE-2026-3821

8.8HIGH

Key Information:

Vendor

Smci

Status
X14dbg-dap,x14dbi
Vendor
CVE Published:
22 July 2026

What is CVE-2026-3821?

Supermicro's SMASH services are vulnerable to an arbitrary code execution flaw that allows authenticated attackers to exploit input capabilities. This vulnerability can be leveraged to compromise data integrity or execute a Denial-of-Service (DoS) attack against the Baseboard Management Controller (BMC), leading to potential operational disruption. It underscores the importance of monitoring and securing these services to protect critical systems.

Affected Version(s)

X14DBG-DAP,X14DBI 01.00.16.00

X14DBG-DAP,X14DBI 1.03.02.06

References

https://www.supermicro.com/en/support/security_BMC_IPMI_J...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Anton Beidin and the research team at Eclypsium, Inc.
.