High severity · published Nov 14, 2023
CVE-2023-39537
Improper input validation in BIOS TCG2
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
AMI AptioV contains a vulnerability in BIOS where an Attacker may use an improper input validation via the local network. A successful exploit of this vulnerability may lead to a loss of confidentiality, integrity and availability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AP
AptioV · AMI
All versions, or not specified · source: vendor
AV
Aptio V · Ami
0 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39537
Vendor Advisory
https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023008.pdf
More from AptioV
8.8
CVE-2025-58770
TCG2 TPM RT Not Locked Issue
8.8
CVE-2024-33659
BiosGuard Buffer Overflow and TOCTOU Vulnerability
8.8
CVE-2024-42442
Runtime Service Access outside SMRAM
8.7
CVE-2026-33197
BDS Module Bypass Secure Boot Advisory
8.3
CVE-2025-58774
UEFI OOB Write and Buffer Overflow Vulnerabilities