CVE-2022-31221

Sensitive system-state disclosure to local administrators

Published Sep 12, 2022 · Updated Sep 17, 2024

Information exposure in Dell Client Platform BIOS allows local users to read sensitive system state through an undisclosed firmware flaw. Dell has not published the affected component or the wrong operation that exposes the information. Exploitation requires local administrator privileges, with no reported ability to modify state or interrupt service.

CVSS severity2.3
Low
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information exposure in Dell Client Platform BIOS allows local users to read sensitive system state through an undisclosed firmware flaw. Dell has not published the affected component or the wrong operation that exposes the information. Exploitation requires local administrator privileges, with no reported ability to modify state or interrupt service.

The record

CVE
CVE-2022-31221
Published
Sep 12, 2022
Updated
Sep 17, 2024
Vendor
Dell
Product
Dell Client Platform BIOS
Classifications
CWE-200
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 12, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=unspecified <21Q4 platforms

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Dell · Dell Client Platform BIOSversion=unspecified <21Q4 platforms

Published CVSS scores

2.3DellCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

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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