SSA-321292 V1.0: Denial of Service in the OPC Foundation Local Discovery Server (LDS) in Industrial Products

A vulnerability has been identified in the OPC Foundation Local Discovery Server (LDS) [0] of several industrial products. The vulnerability could cause a denial of service condition on the service or the device.

Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.

[0] https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf

denial of service device discovery foundation industrial local opc products server service siemens ssa updates vulnerability