CVE-2024-42442Network attack vector

Authenticated code execution via BIOS memory corruption

Published Nov 12, 2024 · Updated Nov 12, 2024

Memory corruption in American Megatrends International Aptio V BKS_5.0 through BKS_5.37 allows remote authenticated users to execute code. AMI identifies the BIOS and System Management Mode boundary, but it has not published the affected runtime service, buffer operation, or network request format. Exploitation requires high privileges on the reachable network interface and grants code execution beyond the intended SMM boundary, affecting confidentiality, integrity, and availability.

CVSS severity7.2
High
EPSS probability0.81%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in American Megatrends International Aptio V BKS_5.0 through BKS_5.37 allows remote authenticated users to execute code. AMI identifies the BIOS and System Management Mode boundary, but it has not published the affected runtime service, buffer operation, or network request format. Exploitation requires high privileges on the reachable network interface and grants code execution beyond the intended SMM boundary, affecting confidentiality, integrity, and availability.

The record

CVE
CVE-2024-42442
Published
Nov 12, 2024
Updated
Nov 12, 2024
Vendor
American Megatrends International
Product
Aptio V
Classifications
CWE-119
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 12, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=BKS_5.0 <=BKS_5.37

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

American Megatrends International · Aptio Vversion=BKS_5.0 <=BKS_5.37

Published CVSS scores

7.2AMICVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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