CVE-2023-34335 - CVE House
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Status published High CVE-2023-34335

AMI BMC contains a vulnerability in the IPMI handler, where...

Vulnerability Description

AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI flash, bypassing secure boot protections. An exploitation of this vulnerability may lead to a loss of integrity or denial of service.  

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • NVIDIA Offensive Security Research (OSR) team

References

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Affected Vendor

Affected Software

MegaRAC_SPx
Vulnerable Versions:
13.0, 12.0

Timeline

Official Publish: June 12th, 2023
Last Modified: January 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

CWE-288

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Privilege Escalation