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Vulnerabilities

Vulnerability · CVE-2025-27127

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

Published Jul 8, 2025 · catalog updated Aug 12, 2025 · Siemens Totally Integrated Automation Portal (TIA Portal) V20

Check this week

CVE-2025-27127 is not in CISA KEV. FIRST estimates a 33.00% chance of exploitation in the next 30 days. Check whether you run Siemens Totally Integrated Automation Portal (TIA Portal) V20.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
33.00%
Remediation
Version ranges on file
Affected products
vendor Siemens Totally Integrated Automation Portal (TIA Portal) V20 0 <V20 Update 3

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Siemens Totally Integrated Automation Portal (TIA Portal) V20 0 <V20 Update 30 <V20 Update 3

How to fix CVE-2025-27127

  • Recommended remediation

    Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-27127 is not in CISA KEV. FIRST estimates a 33.00% chance of exploitation in the next 30 days. Check whether you run Siemens Totally Integrated Automation Portal (TIA Portal) V20.

Which versions are affected?

Compare what you have installed with Siemens Totally Integrated Automation Portal (TIA Portal) V20 0 <V20 Update 3 0 <V20 Update 3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 33.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 8, 2025 · EUVD

    Detected

    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

  2. Aug 12, 2025 · EUVD

    Updated

    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

Sources

  • EUVDVulnerability recordEUVD-2025-20444

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Aug 12, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.