Medium severity · published Aug 3, 2023
CVE-2023-28468
An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. The FvbServicesRuntimeDxe SMM module exposes an SMI handler that allows an attacker to interact with the SPI flash at run-time from the OS.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Insyde
5.0 through 5.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28468
Not Applicable
https://www.insyde.com/security-pledge
Vendor Advisory
https://www.insyde.com/security-pledge/SA-2023039
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