Critical severity · published Nov 1, 2023
CVE-2023-39281
A stack buffer overflow vulnerability discovered in AsfSecureBootDxe in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to run arbitrary code execution during the…
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
A stack buffer overflow vulnerability discovered in AsfSecureBootDxe in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to run arbitrary code execution during the DXE phase.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Insydeh2o · Insyde
05.45.24.0039; 05.44.45.0017; 05.44.34.0055; 05.53.28.0013; 05.45.38.0005; 05.53.23.0011; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39281
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39281
Vendor Advisory
https://www.insyde.com/security-pledge
Vendor Advisory
https://www.insyde.com/security-pledge/SA-2023054
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