SecuriTricks - CVE-2026-3820

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Supermicro	Supermicro Bmc As-2115hs-tnr	* *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	supermicro	supermicro_bmc	/	/	/	/	/	/	/	/
h	supermicro	as-2115hs-tnr	/	/	/	/	/	/	/	/

References

https://www.supermicro.com/en/support/security_BMC_IPMI_Jun_2026

CVSS Score

7.2 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: HIGH
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

View Vector String

Timeline

Published: June 4, 2026, 9:16 a.m.
Last Modified: June 4, 2026, 4:40 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

def9a96e-e099-41a9-bfac-30fd4f82c411

CVE-2026-3820