CVE-2026-18450

Supermicro BMC contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability

Published Oct 27, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Smci
Smci x12spi
Vendors & Products Smci
Smci x12spi
Type Values Removed Values Added
Description The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.
Title Supermicro BMC contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Supermicro
Published
Updated
Nov 4, 2026, 2:59 PM
Reserved
Jul 31, 2026, 5:37 AM
Status
Awaiting Analysis
Published
Oct 27, 2026, 8:16 AM
Modified
Nov 4, 2026, 3:17 PM