ICSA-21-287-09

icsaUScisa_csaf_ot

Siemens SIMATIC Process Historian

Advisory ansehen veröffentlicht 2021-10-12

The latest update for SIMATIC Process Historian (PH) fixes an authentication vulnerability in the configuration interface of redundant PH instances that could enable the execution of admin operations on the database. The related vulnerable interface is restricted to local access on recent versions starting from SIMATIC Process Historian 2020. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

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beschreibt (1)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2021-27395UShigh8.1OT erhöht—
A vulnerability has been identified in SIMATIC Process Historian 2013 and earlier (All versions), SIMATIC Process Historian 2014 (All versions < SP3 Update 6), SIMATIC Process Hist…
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Referenzen

Externe Belege — Patches, Meldungen, Analysen.

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Behebungen (8)

  • MitigationSIMATIC Process Historian 2013 and earlier

    Consider upgrading to a newer SIMATIC Process Historian version

  • MitigationSIMATIC Process Historian 2014

    Deactivate following incoming rules in the local Windows firewall: - PH Redundancy Services - PH Wcf MessageQueue Service (RedundancyMaintenanceService) - PH Wcf MessageQueue Service (SqlMirroringSetup) - PH Wcf MessageQueue Service (MaintenanceService) - PH SQL-Server Mirroring Port (UDP) - PH SQL-Server Mirroring Port (TCP)

  • MitigationSIMATIC Process Historian 2019

    Consider upgrading to a newer SIMATIC Process Historian version

  • MitigationSIMATIC Process Historian 2020

    Deactivate following incoming rules in the local Windows firewall: - PH Redundancy Services - PH Wcf MessageQueue Service (RedundancyMaintenanceService) - PH Wcf MessageQueue Service (SqlMirroringSetup) - PH Wcf MessageQueue Service (MaintenanceService) - PH SQL-Server Mirroring Port (UDP) - PH SQL-Server Mirroring Port (TCP)

  • Kein Fix geplantSIMATIC Process Historian 2013 and earlier

    Currently no remediation is planned

  • Kein Fix geplantSIMATIC Process Historian 2019

    Currently no remediation is planned

  • BehobenSIMATIC Process Historian 2014

    Update to SP3 Update 6 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109780528/
  • BehobenSIMATIC Process Historian 2020

    To update, use the Process Historian version as bundled with PCS neo V3.1 Upd1 (https://support.industry.siemens.com/cs/ww/en/view/109804750/) or with PCS 7 V9.1 SP1 (https://support.industry.siemens.com/cs/ww/en/view/109805073/)

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