CVE-2023-32480

Physical arbitrary code execution

Published Jun 23, 2023 · Updated Nov 29, 2024

Dell Client Platform BIOS contains improper input validation that allows physically proximate attackers to execute arbitrary code. Dell has not published the affected firmware component, accepted input, or validation operation that permits code execution. Physical access is required; successful exploitation can compromise confidentiality, integrity, and availability within the firmware execution context.

CVSS severity6.8
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Dell Client Platform BIOS contains improper input validation that allows physically proximate attackers to execute arbitrary code. Dell has not published the affected firmware component, accepted input, or validation operation that permits code execution. Physical access is required; successful exploitation can compromise confidentiality, integrity, and availability within the firmware execution context.

The record

CVE
CVE-2023-32480
Published
Jun 23, 2023
Updated
Nov 29, 2024
Vendor
Dell
Product
Dell Client Platform BIOS
Classifications
CWE-20, T1203
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 23, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 29, 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=0 <*
  2. Affected versionversion=All Versions

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Dell · Dell Client Platform BIOSversion=0 <*; version=All Versions

Published CVSS scores

6.8DellCVSS:3.1/AV:P/AC:L/PR:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1203Exploitation for Client Execution

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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