CVE-2024-36246Network attack vector

Unauthenticated LocalSystem code execution via coejobhook

Published May 31, 2024 · Updated Apr 8, 2025

Missing authorization in Yokogawa Rental & Lease Corporation Unifier and Unifier Cast 5.x allows remote attackers to execute code as LocalSystem. The coejobhook command starts administrator-approved tasks from a standard-user context but fails to enforce the required authorization check. Unauthenticated network access is sufficient to install programs or modify or delete data with LocalSystem privileges.

CVSS severity9.8
Critical
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Missing authorization in Yokogawa Rental & Lease Corporation Unifier and Unifier Cast 5.x allows remote attackers to execute code as LocalSystem. The coejobhook command starts administrator-approved tasks from a standard-user context but fails to enforce the required authorization check. Unauthenticated network access is sufficient to install programs or modify or delete data with LocalSystem privileges.

The record

CVE
CVE-2024-36246
Published
May 31, 2024
Updated
Apr 8, 2025
Vendor
Yokogawa Rental & Lease Corporation
Product
Unifier
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 31, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2025Record 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=5.0 <*
  2. Affected versionversion=and the patch "20240527" not applied
  3. Affected versionversion=Version.5.0 or later but prior to v5.10.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Yokogawa Rental & Lease Corporation · Unifierversion=5.0 <*; version=and the patch "20240527" not applied; version=Version.5.0 or later but prior to v5.10.6
Yokogawa Rental & Lease Corporation · Unifier Castversion=5.0 <*; version=and the patch "20240527" not applied; version=Version.5.0 or later but prior to v5.10.6; version=Version.6.0 or later but prior to v6.5.0

Published CVSS scores

9.8JVNCVSS:3.0/AV:N/AC:L/PR:N/UI:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo