CVE-2022-31477

Privileged local information disclosure

Published May 10, 2023 · Updated Jan 27, 2025

Improper initialization in some Intel NUC BIOS firmware allows local users to obtain information through local access. Intel has not published the affected firmware component or the operation that leaves data improperly initialized and exposed. Exploitation requires a privileged local user and user interaction; the published impact is disclosure without reported modification or service interruption.

CVSS severity4.0
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper initialization in some Intel NUC BIOS firmware allows local users to obtain information through local access. Intel has not published the affected firmware component or the operation that leaves data improperly initialized and exposed. Exploitation requires a privileged local user and user interaction; the published impact is disclosure without reported modification or service interruption.

The record

CVE
CVE-2022-31477
Published
May 10, 2023
Updated
Jan 27, 2025
Vendor
Topcon Positioning Systems, Inc.
Product
Intel NUC BIOS Firmware
Classifications
CWE-665
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. May 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 27, 2025Record 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=See references

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Topcon Positioning Systems, Inc. · Intel NUC BIOS Firmwareversion=See references

Published CVSS scores

4.0Intel CorporationCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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.

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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-665Improper Initialization

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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