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CVE-2025-27127

Published: Jul 8, 2025Updated: Aug 12, 2025 Sources: CVE List NVD BDU csafCWE-434
4.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 80.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A vulnerability has been identified in TIA Project-Server (All versions < V2.1.1), TIA Project-Server V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions < V19 Update 4), Totally Integrated Automation Portal (TIA Portal) V20 (All versions < V20 Update 3). The affected application improperly handles uploaded projects in the document root. This could allow an attacker with contributor privileges to cause denial of service by uploading a malicious project.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-434

Affected Products

Siemens AG
commercial·DEaka Siemens
TIA Project-Server
ICS / OT / IoT
Siemens Totally Integrated Automation Portal (TIA Portal)
ICS / OT / IoT
TIA Project-Server V17
ICS / OT / IoT
Totally Integrated Automation Portal (TIA Portal) V17
ICS / OT / IoT
Totally Integrated Automation Portal (TIA Portal) V18
ICS / OT / IoT
Totally Integrated Automation Portal (TIA Portal) V19
ICS / OT / IoT
Totally Integrated Automation Portal (TIA Portal) V20
ICS / OT / IoT
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

3 techniques
Command and Control
Initial Access
Persistence
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/html/ssa-460466.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-460466.json
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-191-05.json
raw.githubusercontent.com
and 7 more references View all →

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