Home/CVE/AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI fl
CVE

CVE-2023-34335

AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI fl

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.

HIGH · CVSS 7.7 EPSS 0.00045
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-288Authentication Bypass Using an Alternate Path or Channel
CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

2
ami megarac spx>= 12.0 and < 12.7
ami megarac spx>= 13.0 and < 13.5
▣

Scoring & Timeline

7.7
HIGH · CVSS v3.1 · biossecurity@ami.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jun 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/SecurityVendor Advisory
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