Read the docs
TI-2026-03310 Aliases CVE-2026-3821GHSA-cjff-5v28-x7h8

Supermicro SMASH service contain an Arbitrary code execution issue

Priority MEDIUM 41CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-78.

Summary

Supermicro (SMC) SMASH services contain an Arbitrary code execution issue in X14DBG-DAP and X14DBI. An authorized attacker can exploit SMASH’s input capability to compromise data integrity or launch a Denial-of-Service (DoS) attack against the BMC.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00638 50th 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
No
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
SMCIX14DBG-DAP,X14DBI01.00.16.00; 1.03.02.06—No fix listedCNA
  • X14DBG-DAP,X14DBI VendorSMCI Affected 01.00.16.00; 1.03.02.06 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3821
  2. 2026-10-03 Alias added: GHSA-cjff-5v28-x7h8
  3. 2026-10-24 EPSS moved to the 50th–90th percentile

References

  • TI-2026-81036 Supermicro BMC accepts unprotected IPMI commands on active sessions CVSS 3.1CRITICAL 9.8
  • 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