CVE-2023-27517

Local privilege escalation via undisclosed access control

Published Feb 14, 2024 · Updated Aug 16, 2024

Improper access control in Intel Optane PMem software in affected 100, 200, and 300 Series releases allows local users to escalate privileges. Intel has not published the affected function or the access-control operation performed incorrectly. Exploitation requires low-privileged local access and user interaction, and it can alter data or interrupt service without disclosing data.

CVSS severity6.6
Medium
EPSS probability0.22%
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 PMem software in affected 100, 200, and 300 Series releases allows local users to escalate privileges. Intel has not published the affected function or the access-control operation performed incorrectly. Exploitation requires low-privileged local access and user interaction, and it can alter data or interrupt service without disclosing data.

The record

CVE
CVE-2023-27517
Published
Feb 14, 2024
Updated
Aug 16, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Optane Persistent Memory Firmware
Classifications
CWE-284, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 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=0 <01.00.00.3547
  2. Affected versionversion=02.00.00.0000 <02.00.00.3915
  3. Affected versionversion=03.00.00.0000 <03.00.00.0483

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel Optane Persistent Memory Firmwareversion=0 <01.00.00.3547; version=02.00.00.0000 <02.00.00.3915; version=03.00.00.0000 <03.00.00.0483
Topcon Positioning Systems, Inc. · Intel Optane PMem management softwareversion=before versions 01.00.00.3547, 02.00.00.3915, 03.00.00.0483

Published CVSS scores

6.6Intel CorporationCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1068Exploitation for Privilege Escalation

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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