CVE-2021-37172

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Summary

CVECVE-2021-37172
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-10 11:15:00 UTC
Updated2022-07-01 17:44:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-287

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Siemens Cpu 1211c - All All All
Hardware Siemens Cpu 1212c - All All All
Hardware Siemens Cpu 1212fc - All All All
Hardware Siemens Cpu 1214c - All All All
Hardware Siemens Cpu 1214fc - All All All
Hardware Siemens Cpu 1215c - All All All
Hardware Siemens Cpu 1215fc - All All All
Hardware Siemens Cpu 1217c - All All All
Operating System Siemens Simatic S7-1200 Cpu Firmware 4.5.0 All All All
Application Siemens Simatic Step 7 Tia Portal All All All All

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/pdf/ssa-830194.pdf MISC cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590739 Siemens SIMATIC S7-1200 Improper Authentication Vulnerability (ICSA-21-222-09)
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