CVE-2023-27887

Privileged local information disclosure

Published Aug 11, 2023 · Updated Oct 2, 2024

Improper initialization in Intel NUC Boards BIOS firmware allows local users with privileged access to disclose sensitive information. Intel has not identified the BIOS resource that is initialized incorrectly or explained how its resulting state exposes information. The gate is high privileges and local access, while the type and sensitivity of the exposed information remain undisclosed.

CVSS severity6.1
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper initialization in Intel NUC Boards BIOS firmware allows local users with privileged access to disclose sensitive information. Intel has not identified the BIOS resource that is initialized incorrectly or explained how its resulting state exposes information. The gate is high privileges and local access, while the type and sensitivity of the exposed information remain undisclosed.

The record

CVE
CVE-2023-27887
Published
Aug 11, 2023
Updated
Oct 2, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel NUC Boards
Classifications
CWE-665
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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 Boardsversion=See references

Published CVSS scores

6.1Intel CorporationCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/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.

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-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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo