CVE-2023-49603

Privileged local escalation via firmware race

Published Feb 12, 2025 · Updated Feb 18, 2025

Race condition in some Intel System Security Report and System Resources Defense firmware allows local users to escalate privileges. Intel has not published the affected firmware routine, shared resource, or interleaving that permits the race. Exploitation requires a privileged local user and can cross a security boundary to gain higher privileges, affecting confidentiality, integrity, and availability.

CVSS severity7.5
High
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

Race condition in some Intel System Security Report and System Resources Defense firmware allows local users to escalate privileges. Intel has not published the affected firmware routine, shared resource, or interleaving that permits the race. Exploitation requires a privileged local user and can cross a security boundary to gain higher privileges, affecting confidentiality, integrity, and availability.

The record

CVE
CVE-2023-49603
Published
Feb 12, 2025
Updated
Feb 18, 2025
Vendor
Topcon Positioning Systems, Inc.
Product
Intel System Security Report and System Resources Defense firmware
Classifications
CWE-362, T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 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 System Security Report and System Resources Defense firmwareversion=See references

Published CVSS scores

8.7Intel CorporationCVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
7.5Intel CorporationCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
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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