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Rewterz Threat Advisory – ICS: Siemens SINUMERIK Controllers

Severity

High

Analysis Summary

CVE-2021-37199 

Siemens SINUMERIK Controllers is vulnerable to a denial of service, caused by a heap-based buffer overflow. By sending specially-crafted packets to port 102/tcp, a remote attacker could exploit this vulnerability to cause a denial of service condition on the device.

Impact

  • Denial of Service

Affected Vendors

  • Siemens

Affected Products

  • Siemens SINUMERIK 828D
  • Siemens SINUMERIK 808D

Remediation

Refer to CERT-Advisory for patch, upgrade or suggested workaround information.

https://cert-portal.siemens.com/productcert/pdf/ssa-178380.pdf