High severity · published Apr 11, 2023
CVE-2023-22614
An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Insydeh2o · Insyde
05.42.52.0026; 05.43.01.0026; 05.43.12.0056; 05.44.34.0054; 05.44.45.0015; 05.44.45.0028 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22614
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22614
Exploit
https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
Vendor Advisory
https://www.insyde.com/security-pledge
Vendor Advisory
https://www.insyde.com/security-pledge/SA-2023020
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