CVE-2023-39539: ami aptiov Improper Input Validation
CVSS: 7.8v3.1HighModified
Published 06-12-2023Last modified 16-12-2025
Vulnerability summary
CVE-2023-39539 is a high (CVSS 7.8) Improper Input Validation vulnerability in ami aptiov. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-12-2023PublishedVulnerability first disclosed.
- 16-12-2025Last modifiedVulnerability information updated.
Description
AMI AptioV contains a vulnerability in BIOS where a User may cause an unrestricted upload of a PNG 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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.5–7.8
- CVE.orgCNA7.5HighCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.62% on 20-09-2026
20-09-202620-10-2026
EPSS score0.62%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-434Unrestricted Upload of File with Dangerous TypeThe product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
Affected systems
Ami1 product
- aptiov≥ BKS_5.0, < BKS_5.34
1 vendor · 1 product