CVE-2022-31220

System-state changes via unchecked return value

Published Sep 12, 2022 · Updated Sep 16, 2024

Unchecked return value handling in Dell Client Platform BIOS releases allows local users to alter system state or cause operational failures. Dell has not published the affected firmware locus, the called operation, or how its returned status is left unchecked. Exploitation requires local administrator privileges, and the resulting state changes or failures are otherwise unspecified.

CVSS severity3.0
Low
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unchecked return value handling in Dell Client Platform BIOS releases allows local users to alter system state or cause operational failures. Dell has not published the affected firmware locus, the called operation, or how its returned status is left unchecked. Exploitation requires local administrator privileges, and the resulting state changes or failures are otherwise unspecified.

The record

CVE
CVE-2022-31220
Published
Sep 12, 2022
Updated
Sep 16, 2024
Vendor
Dell
Product
Dell Client Platform BIOS
Classifications
CWE-252
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 12, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 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

3.0DellCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L

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.

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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-252Unchecked Return Value

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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