CVE-2024-31412

Information disclosure or crash via crafted project file

Published May 1, 2024 · Updated Aug 2, 2024

Out-of-bounds read in OMRON CX-Programmer 9.81 and earlier allows attackers to disclose data or crash the application via a crafted project file. OMRON has not published which project-file parser or unchecked field causes the out-of-bounds access. A user must open the crafted file; the vendor limits the consequence to reading CX-Programmer data or crashing CX-Programmer, not affecting the host computer or connected PLC.

CVSS severity7.8
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in OMRON CX-Programmer 9.81 and earlier allows attackers to disclose data or crash the application via a crafted project file. OMRON has not published which project-file parser or unchecked field causes the out-of-bounds access. A user must open the crafted file; the vendor limits the consequence to reading CX-Programmer data or crashing CX-Programmer, not affecting the host computer or connected PLC.

The record

CVE
CVE-2024-31412
Published
May 1, 2024
Updated
Aug 2, 2024
Vendor
OMRON Corporation
Product
CX-Programmer
Classifications
CWE-125, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 1, 2024CVE 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?

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

  1. Affected versionversion=0 <=9.81
  2. Affected versionversion=Included in CX-One CXONE-AL[][]D-V4 Ver. 9.81 or lower

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

OMRON Corporation · CX-Programmerversion=0 <=9.81; version=Included in CX-One CXONE-AL[][]D-V4 Ver. 9.81 or lower

Published CVSS scores

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8JPCERT/CCCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8OMRON CorporationCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1204.002Malicious File

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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