CVE-2021-37172

State: Published
Severity: Not scored
Published: Aug 10, 2021
Updated: Aug 4, 2024
Reserved: Jul 21, 2021

Description

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (V4.5.0). Affected devices fail to authenticate against configured passwords when provisioned using TIA Portal V13. This could allow an attacker using TIA Portal V13 or later versions to bypass authentication and download arbitrary programs to the PLC. The vulnerability does not occur when TIA Portal V13 SP1 or any later version was used to provision the device.

Scores

The record has no CVSS score.

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
SIMATIC S7-1200 CPU family (incl. SIPLUS variants)Siemens	V4.5.0Affected

References

https://cert-portal.siemens.com/productcert/pdf/ssa-830194.pdf

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