What is CVE-2023-35861?

CVE-2023-35861 is a critical-severity vulnerability in Supermicro H12dgo-6, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-07-31.

How severe is CVE-2023-35861?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Supermicro H12dgo-6

CVE-2023-35861

A shell-injection vulnerability in email notifications on Supermicro motherboards (such as H12DST-B before 03.10.35) allows remote attackers to inject execute arbitrary commands as root on the BMC.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-07-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.supermicro.com/en/products/motherboards (Product)
www.supermicro.com/en/support/security_SMTP_Jun_2023 (Vendor Advisory)
blog.freax13.de/cve/cve-2023-35861 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-35861?: CVE-2023-35861 is a critical-severity vulnerability in Supermicro H12dgo-6, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-07-31.
How severe is CVE-2023-35861?: Critical severity. CVSS v3 base score is 9.8 out of 10.