Supermicro BMC's SMTP service contains a command injection vulnerability
CVE-2026-3820

7.2HIGH

Key Information:

Vendor

Smci

Vendor
CVE Published:
4 June 2026

What is CVE-2026-3820?

There is a vulnerability in the Supermicro BMC SMTP service at Supermicro AS-2115HS-TNR.  An attacker may obtain administrator privileges and inject specially crafted characters into the SMTP service configuration. This may cause the underlying system to execute unintended commands during process invocation.

Potential impact includes denial-of-service attacks, arbitrary code execution, or permanent compromise of the controller.

Affected Version(s)

AS-2115HS-TNR BMC 01.08.01

AS-2115HS-TNR BMC 01.08.01

AS-2115HS-TNR BMC 01.06.04

References

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Coreweave Red Team and Hoang Bui from Coreweave
.