CVE-2026-3820CWE-78

Supermicro BMC's SMTP service contains a command injection vulnerability

High · published June 4, 2026

CVSS v3.1
7.2
EPSS
1%
Percentile
51.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00665 · 51.2th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-06-04T08:07Z
EPSS history
Timeline
  • 04 JUN 08:07Z
    Supermicro BMC's SMTP service contains a command injection vulnerability
    cvelistv5