CVE-2023-45864

Local value modification via undisclosed race condition

Published Dec 13, 2023 · Updated May 22, 2025

Race condition in Samsung Exynos 9820, 980, 1080, 2100, 2200, 1280, and 1380 processors allows local users to modify values. Samsung has not disclosed the affected component, shared resource, or interleaving operation that permits the modification. Exploitation requires high privileges, high-complexity timing, local access, and user interaction; the documented consequence is limited to unintended value changes.

CVSS severity4.0
Medium
EPSS probability0.14%
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 Samsung Exynos 9820, 980, 1080, 2100, 2200, 1280, and 1380 processors allows local users to modify values. Samsung has not disclosed the affected component, shared resource, or interleaving operation that permits the modification. Exploitation requires high privileges, high-complexity timing, local access, and user interaction; the documented consequence is limited to unintended value changes.

The record

CVE
CVE-2023-45864
Published
Dec 13, 2023
Updated
May 22, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-362, CAPEC-26
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Dec 13, 2023CVE publishedPublication date reported by the CVE source.
  2. May 22, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0MITRECVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N
4.7NIST NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/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-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CAPEC-26Leveraging Race Conditions

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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