CVE-2025-33045: APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and

Q: How do I fix CVE-2025-33045?

aptio v: upgrade to 5.040. Exact commands for each OS are on this page.

Q: Is CVE-2025-33045 being exploited?

CVE-2025-33045 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-33045 affect?

CVE-2025-33045 affects aptio v. Severity is high (CVSS 8.2). APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and “Exposure of Sensitive Information to an Unauthorized Actor” through local access. The successful exploitation of these vulnerabi

Routine

HIGH 8.2UPGRADE

CVE-2025-33045 is a high-severity flaw (CVSS 8.2) affecting aptio v. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and “Exposure of Sensitive Information to an Unauthorized Actor” through local access. The successful exploitation of these vulnerabilities can lead to information disclosure, arbitrary data writing, and impact Confidentiality, Integrity, and Availability.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-123, CWE-200
Published	2025-09-09
Last modified	2026-06-17

Publisher (CNA): AMI · Vendor: ami

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-09 14:15 UTCPublished CVE record published
2026-06-17 09:13 UTCUpdated Record last modified

ami aptio v UPGRADE

Affected: >= 5.0 and < 5.040

Fixed in: 5.040

Safe to downgrade to: a release before 5.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-33045?

aptio v: upgrade to 5.040. Exact commands for each OS are on this page.

Is CVE-2025-33045 being exploited?

CVE-2025-33045 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-33045 affect?

CVE-2025-33045 affects aptio v. Severity is high (CVSS 8.2). APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and “Exposure of Sensitive Information to an Unauthorized Actor” through local access. The successful exploitation of these vulnerabi

How urgent is CVE-2025-33045?

Priority 30/100. High severity

Related CVEs

CVE-2025-22831 HIGH 7.8 UPGRADE APTIOV contains a vulnerability in BIOS where an attacker may cause an Out-of-bounds Write by local
CVE-2025-22832 HIGH 7.8 UPGRADE APTIOV contains a vulnerability in BIOS where an attacker may cause an Out-of-bounds Write by local
CVE-2025-33044 HIGH 7.8 UPGRADE APTIOV contains a vulnerability in BIOS where an attacker may cause an Improper Restriction of Operations with
CVE-2025-22833 HIGH 7.3 UPGRADE APTIOV contains a vulnerability in BIOS where an attacker may cause a Buffer Copy without Checking Size of Inp
CVE-2025-58770 HIGH 8.8 UPGRADE APTIOV contains a vulnerability in BIOS where a user may cause “Improper Handling of Insufficient Permissions

References

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