SARA / Free Tools / CVE / CVE-2022-40250

CVE-2022-40250 — An attacker can exploit this vulnerability to elevate privileges from ring 0 to

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system (OS) and completely isolated from it. Running arbitrary code in SMM additionally bypass

CVSS

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EPSS

0.21% (top 57.40%)

CWE

CWE-121

Published

2022-09-20T17:35:34.218Z

Last modified

2025-05-28T18:23:09.410Z

CVSS vector

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01What is this vulnerability?

02Affected products

Vendor	Product	Versions
AMI	Aptio	5.x

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2022-09-20T17:35:34.218Z
Last modified: 2025-05-28T18:23:09.410Z

09References

www.intel.com — https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00712.…
www.ami.com — https://www.ami.com/security-center/
www.binarly.io — https://www.binarly.io/advisories/BRLY-2022-016

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