What’s Vulnerable › Vulnerabilities

CVE-2020-25238

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-09 · updated 2026-06-17
• Weakness: CWE-284

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.

Affected products

• Siemens Simatic Process Control System Neo: before 3.1 — fixed in 3.1
• Siemens Totally Integrated Automation Portal: 15, 15.1, 16

How to fix

Upgrade to a fixed version: Siemens Simatic Process Control System Neo 3.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05
• https://www.kb.cert.org/vuls/id/466044
• https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05
• https://www.kb.cert.org/vuls/id/466044

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