There is a vulnerability in the Supermicro BMC firmware validation logic at Supermicro MBD-X13SEM-F . An attacker can update the system firmware with a specially crafted image.
https://www.bleepingcomputer.com/news/security/new-supermicro-bmc-flaws-can-create-persistent-backdoors/
https://www.securityweek.com/patch-bypassed-for-supermicro-vulnerability-allowing-bmc-hack/
https://thehackernews.com/2025/09/two-new-supermicro-bmc-bugs-allow.html
https://www.supermicro.com/en/support/security_BMC_IPMI_Sept_2025
Source: Mitre, NVD
Published: 2025-09-19
Updated: 2026-04-15
Base Score: 8.3
Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C
Severity: High
Base Score: 7.2
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00033