SMTP Service Vulnerability in Supermicro BMC Products by Supermicro
CVE-2026-3820

7.2HIGH

Key Information:

Vendor

Smci

Vendor
CVE Published:
4 June 2026

What is CVE-2026-3820?

A security vulnerability exists in the SMTP service of Supermicro's BMC for the AS-2115HS-TNR product. This flaw allows an attacker to gain administrator privileges by injecting maliciously crafted characters into the SMTP service configuration. Such unauthorized access can lead to execution of unintended commands within the underlying system, resulting in potential denial-of-service attacks, arbitrary code execution, or even complete compromise of the controller. Users are strongly advised to apply security patches and review their configurations to mitigate these risks.

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
.