CVE-2020-25238

Name: CVE-2020-25238
Creator: NVD / NIST
Published: 2021-02-09T17:15:13.61+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2020-25238 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. The security vulnerability could be exploited by an attacker with a valid account and limited access rights on the system.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Simatic Process Control System Neo	< 3.1
Siemens	Totally Integrated Automation Portal	15
Siemens	Totally Integrated Automation Portal	15.1
Siemens	Totally Integrated Automation Portal	16

References

https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdfVendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05Third Party Advisory, US Government Resource, VDB Entry
https://www.kb.cert.org/vuls/id/466044Third Party Advisory, US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdfVendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05Third Party Advisory, US Government Resource, VDB Entry
https://www.kb.cert.org/vuls/id/466044Third Party Advisory, US Government Resource

Timeline

Published: Feb 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25238?

How severe is CVE-2020-25238?

CVE-2020-25238 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25238?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25238?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST