SMM buffer Integrity

published 2025-05-29 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-16381

cvss: 5.8; 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 7%
public exploits: 0; none known

APTIOV contains a vulnerability in BIOS where an attacker may cause an Improper Input Validation locally. Successful exploitation of this vulnerability can potentially impact of integrity.

Patch / fix

fixed in 1

ami aptio_v 5.011

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-29)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.8	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:N
NVD	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Affected products

AMI AptioV

Classification

Weakness

CWE-20 Improper Input Validation

References

go.ami.com /hubfs/Security%20Advisories/2025/AMI-SA-2025005.pdf
vendor-advisory
kb.cert.org /vuls/id/209095

Sources

CVE List CVE-2025-33043
NVD CVE-2025-33043

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary