CVE-2023-39538 — AMI AptioV contains a vulnerability in BIOS where a User may cause an unrestrict

AMI AptioV contains a vulnerability in BIOS where a User may cause an unrestricted upload of a BMP Logo file with dangerous type by Local access. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integrity, and/or Availability.

01What is this vulnerability?

AMI AptioV contains a vulnerability in BIOS where a User may cause an unrestricted upload of a BMP Logo file with dangerous type by Local access. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integrity, and/or Availability.

02Affected products

Vendor	Product	Versions
AMI	AptioV	BKS_5.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-06T15:17:30.504Z
• Last modified: 2026-02-25T16:51:21.091Z

09References

• 9443417.fs1.hubspotusercontent-na1.net — https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisori…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20240105-0003/