Improper input validation in BIOS

published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43245

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-08-29)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

AMI AptioV
ami aptio_v

Classification

Weakness

CWE-20 Improper Input Validation

References

9443417.fs1.hubspotusercontent-na1.net /hubfs/9443417/Security%20Advisories/AMI-SA-2023008.pdf
vendor-advisory

Sources

CVE List CVE-2023-39535
NVD CVE-2023-39535

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Summary