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.
Published: 2021-08-10
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-23746 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.
History

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Subscriptions

Siemens Cpu 1211c Cpu 1212c Cpu 1212fc Cpu 1214c Cpu 1214fc Cpu 1215c Cpu 1215fc Cpu 1217c Simatic S7-1200 Cpu Firmware Simatic Step 7 \(tia Portal\)
cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2024-08-04T01:16:03.220Z

Reserved: 2021-07-21T00:00:00.000Z

Link: CVE-2021-37172

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-10T11:15:09.280

Modified: 2024-11-21T06:14:47.323

Link: CVE-2021-37172

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses