CVE-2024-22042

Local SYSTEM escalation via privileged API misuse

Published Feb 13, 2024 · Updated Apr 10, 2025

Incorrect use of privileged APIs in all Siemens UniCam FX versions allows local users to gain SYSTEM privileges through the installer agent. The Windows installer agent invokes conhost.exe as a child process with SYSTEM privileges because it uses privileged APIs incorrectly. A low-privileged local account is required, and successful exploitation grants full control of the Windows host.

CVSS severity7.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect use of privileged APIs in all Siemens UniCam FX versions allows local users to gain SYSTEM privileges through the installer agent. The Windows installer agent invokes conhost.exe as a child process with SYSTEM privileges because it uses privileged APIs incorrectly. A low-privileged local account is required, and successful exploitation grants full control of the Windows host.

The record

CVE
CVE-2024-22042
Published
Feb 13, 2024
Updated
Apr 10, 2025
Vendor
Siemens
Product
UniCam FX
Classifications
CWE-648, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 10, 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=0 <*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Siemens · UniCam FXversion=0 <*

Published CVSS scores

8.5Siemens AGCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8Siemens AGCVSS:3.1/AV:L/AC:L/PR:L/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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-648Incorrect Use of Privileged APIs
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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