BareketAI PWX Discover Start a pilot

Supermicro BMC

CVE-2026-3820

high 7.2CVSS 3.1 · published 2026-06-04 · modified 2026-07-22

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.

What to do

NVD gives no version range for this CVE yet, so this page cannot name an update version. Read the vendor advisory for the fixed firmware.

NVD names no vendor advisory for it. Look it up at Supermicro security advisories (search for CVE-2026-3820).

How this page decided
Severity and CVSS: the primary NVD score (version 3.1). Affected versions: the CPE ranges in the NVD record, modified 2026-07-22. Exploited: the CISA KEV field of the NVD record. Whether you are affected needs your firmware version; this page does not know it. It is not tested against a device.

Do you run it?

Paste your BMC's Redfish answers into the Redfish Inspector: it compares the firmware version with the NVD ranges, in your browser. Or scan every BMC with the free scan.

Source: NVD CVE-2026-3820. PWX for Supermicro BMC

Free e-mail alerts
Get an e-mail when a new CVE lands for what you run

One e-mail per new CVE or newly exploited one, for the families you pick. You confirm first; every e-mail unsubscribes in one click, and that deletes your address. We keep only your address and your choices. Details

Run it on your own fleet

PWX Discover is free: the scan reads your fleet and lists what to fix, on your machine. PWX Monitor keeps watching every layer, from the tenant to the power rail, with attack paths and alerts in your SIEM. PWX Protect acts on the BMC. Start with a pilot.

Start a pilotRun the free scan