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TI-2026-81036 Aliases CVE-2026-18450GHSA-4gmh-3v9m-9469

Supermicro BMC accepts unprotected IPMI commands on active sessions

Priority MEDIUM 49CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

The BMC of Supermicro X12SPI from 01.07.20 does not correctly enforce integrity and encryption requirements for IPMI commands, a missing authentication weakness (CWE-306). An unauthenticated remote attacker may be able to craft packets that execute arbitrary commands on an active session.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.004 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SMCIX12SPI01.07.20—No fix listedCNA
  • X12SPI VendorSMCI Affected 01.07.20 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for X12SPI.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-18450
  2. 2026-10-27 Alias added: GHSA-4gmh-3v9m-9469
  3. 2026-11-04 CISA SSVC decision points changed

References

Other 1

  • TI-2026-03310 Supermicro SMASH service contain an Arbitrary code execution issue CVSS 3.1HIGH 8.8
  • TI-2026-81040 Privilege escalation in Supermicro BMC IPMI allows admin access CVSS 3.1HIGH 8.8
  • TI-2026-81034 Fixed key flaw in Supermicro BMC lets attackers run IPMI commands CVSS 3.1HIGH 7.5
  • TI-2025-11009 Supermicro BMC firmware update validation bypass CVSS 3.1HIGH 8.4
  • TI-2026-81038 Supermicro BMC grants IPMI session on out-of-order RAKP message 3 CVSS 3.1HIGH 7.4
  • TI-2026-81028 Command injection in Supermicro BMC syslog feature CVSS 3.1HIGH 7.2
See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences