CVE-2023-31203Network attack vector

Unauthenticated service interruption

Published Nov 14, 2023 · Updated Aug 14, 2024

Improper input validation in OpenVINO Model Server before 2022.3 allows remote attackers to interrupt service through network requests. Intel has not disclosed the affected request handler, accepted input, or validation operation that permits the service interruption. Exploitation requires user interaction and affects availability without reported data disclosure or modification.

CVSS severity4.3
Medium
EPSS probability0.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in OpenVINO Model Server before 2022.3 allows remote attackers to interrupt service through network requests. Intel has not disclosed the affected request handler, accepted input, or validation operation that permits the service interruption. Exploitation requires user interaction and affects availability without reported data disclosure or modification.

The record

CVE
CVE-2023-31203
Published
Nov 14, 2023
Updated
Aug 14, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
OpenVINO Model Server
Classifications
CWE-20, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

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

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before version 2022.3 for Intel Distribution of OpenVINO toolkit

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Topcon Positioning Systems, Inc. · OpenVINO Model Serverversion=before version 2022.3 for Intel Distribution of OpenVINO toolkit

Published CVSS scores

4.3Intel CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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