CVE-2021-37172

2021-08-1010:35:34

CWE-287

siemens

www.cve.org

simatic s7-1200

authentication bypass

tia portal v13

EPSS

0.001

Percentile

35.2%

JSON

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.

CNA Affected

[
  {
    "product": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "V4.5.0"
      }
    ]
  }
]

References

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

EPSS

0.001

Percentile

35.2%

JSON

Related for CVELIST:CVE-2021-37172