Critical severity · published Jun 12, 2023
CVE-2023-34335
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
9.1
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Megarac Spx · Ami
12.0 before 12.7; 13.0 before 13.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-34335
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-34335
Vendor Advisory
https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023005.pdf
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