ICSA-26-174-01

icsaUScisa_csaf_ot

Siemens WinCC Certificate Manager

Advisory ansehen veröffentlicht 2026-06-09

WinCC Certificate Manager insufficiently protects key material that could allow an attacker to extract sensitive information. Siemens has released a new version for SIMATIC WinCC Unified PC Runtime V21 and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.

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beschreibt (1)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2026-24349US——
A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V1…
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Referenzen

Externe Belege — Patches, Meldungen, Analysen.

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Behebungen (12)

  • MitigationSIMATIC WinCC Unified PC Runtime V16

    The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.

  • MitigationSIMATIC WinCC Unified PC Runtime V17

    The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.

  • MitigationSIMATIC WinCC Unified PC Runtime V18

    The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.

  • MitigationSIMATIC WinCC Unified PC Runtime V19

    The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.

  • MitigationSIMATIC WinCC Unified PC Runtime V20

    The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.

  • MitigationSIMATIC WinCC Unified PC Runtime V21

    The affected product may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified personnel are those who, based on their training and experience, are capable of identifying risks and avoiding potential hazards when working with the affected product.

  • Kein Fix geplantSIMATIC WinCC Unified PC Runtime V16

    Currently no fix is planned

  • Kein Fix geplantSIMATIC WinCC Unified PC Runtime V17

    Currently no fix is planned

  • Kein Fix geplantSIMATIC WinCC Unified PC Runtime V18

    Currently no fix is planned

  • Kein Fix geplantSIMATIC WinCC Unified PC Runtime V19

    Currently no fix is planned

  • Kein Fix geplantSIMATIC WinCC Unified PC Runtime V20

    Currently no fix is planned

  • BehobenSIMATIC WinCC Unified PC Runtime V21

    Update to V21 Update 2 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109991140/
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