CVE-2023-27879

Physical information disclosure

Published Nov 14, 2023 · Updated Aug 2, 2024

Improper access control in Intel Optane SSD firmware allows physically proximate attackers to disclose information without authentication. Intel identifies the affected locus only as the drive firmware and has not published the access-control operation or protected data involved. Exploitation requires physical access to an affected SSD, and the disclosed information's type and scope remain unspecified.

CVSS severity6.8
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Intel Optane SSD firmware allows physically proximate attackers to disclose information without authentication. Intel identifies the affected locus only as the drive firmware and has not published the access-control operation or protected data involved. Exploitation requires physical access to an affected SSD, and the disclosed information's type and scope remain unspecified.

The record

CVE
CVE-2023-27879
Published
Nov 14, 2023
Updated
Aug 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-284
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.8Intel CorporationCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
4.6NIST National Vulnerability DatabaseCVSS:3.1/AV:P/AC:L/PR:N/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)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control

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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