CVE-2023-38533

Update disruption via insecure temporary-file directory

Published Jun 11, 2024 · Updated Aug 2, 2024

Insecure temporary-file creation in Siemens TIA Administrator before V3 SP2 allows local users to disrupt software updates. The download component writes temporary files beneath the installation path into a directory whose permissions allow non-administrative users to alter them. Exploitation requires an authenticated Windows account; the documented consequence is interruption of the update process.

CVSS severity4.8
Medium
EPSS probability0.15%
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

Insecure temporary-file creation in Siemens TIA Administrator before V3 SP2 allows local users to disrupt software updates. The download component writes temporary files beneath the installation path into a directory whose permissions allow non-administrative users to alter them. Exploitation requires an authenticated Windows account; the documented consequence is interruption of the update process.

The record

CVE
CVE-2023-38533
Published
Jun 11, 2024
Updated
Aug 2, 2024
Vendor
Siemens
Product
TIA Administrator
Classifications
CWE-379
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 11, 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

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=0 <v3sp2
  2. Affected versionversion=0 <V3 SP2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Siemens · TIA Administratorversion=0 <v3sp2; version=0 <V3 SP2

Published CVSS scores

3.3Siemens ProductCERTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.8Siemens ProductCERTCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-379Creation of Temporary File in Directory with Insecure Permissions

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