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CVE-2025-30033

HIGH
7.8
CVSS Score
Published: August 12, 2025 at 11:16 AM UTC
Updated: October 13, 2026 at 10:17 AM UTC
85 products affected across 1 vendorSIMATIC Control Function LibrarySIMATIC S7 F SystemsSIMATIC WinCC Unified PC Runtime

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The affected setup component is vulnerable to DLL hijacking. This could allow an attacker to execute arbitrary code when a legitimate user installs an application that uses the affected setup component.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SIMATIC Control Function Library· Siemens
100%
0
Affected range stops below V3.1.0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.1, so it looks safe — our inference, not a vendor statement
SIMATIC S7 F Systems· Siemens
100%
06.3
SIMATIC MTP Integrator· Siemens
99%
0
SIMATIC PCS 7 Advanced Process Functions· Siemens
99%
02.1
SIMATIC Safety Matrix· Siemens
99%
All versions
SIMATIC WinCC Unified PC Runtime· Siemens
99%
018
SIMATIC PCS 7 Advanced Process Graphics· Siemens
98%
010.0
SIMATIC STEP 7 CFC· Siemens
98%
019
TIA Portal Test Suite· Siemens
98%
0
Affected range stops below V19 Update 4, so it looks safe — our inference, not a vendor statement
Affected range stops below V20 Update 3, so it looks safe — our inference, not a vendor statement
SIMATIC Energy Suite· Siemens
97%
0
Affected range stops below V19 Update 4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://cert-portal.siemens.com/productcert/html/ssa-282044.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHsiemens
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-427

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