Advisories › Siemens › ICSA-26-209-01

Siemens Desigo CC: 1 CVE, Critical 9.8

Critical 9.8 ICSA-26-209-01 · Published Jul 28, 2026

Summary

CISA reports 1 vulnerability in Siemens Desigo CC family V7, Desigo CC family V8, Desigo CC family V9. Weakness type: Out-of-bounds Write. OpenSSL has published a stack based buffer overflow vulnerability that allows a remote attacker to cause a denial of service (DoS) or potentially allow for remote code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Highest CVSS v3 score: 9.8 (Critical), exploitable over the network.

What to do: Act now: Update to V9.0 QU1 or later version

At a glance

Vendor
Siemens
Products
Desigo CC family V7, Desigo CC family V8, Desigo CC family V9
CVEs
CVE-2025-15467
Highest CVSS v3
9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Highest CVSS v4
–
Known exploited (KEV)
No CVE from this advisory is on the KEV list as of the last refresh
Sectors (per CISA)
Critical Manufacturing
Deployed
Worldwide
Vendor HQ
Germany

Vulnerabilities

CVEWeaknessCVSS v3CVSS v4KEVDescription (from advisory)
CVE-2025-15467Out-of-bounds Write9.8–NoCVE-2025-15467

Affected products (3)

Vendor fixes and mitigations (from advisory)

Also apply CISA's standard ICS practices: minimize network exposure, keep control networks behind firewalls and isolated from business networks, and use up-to-date secure remote access.

Sources

This page is generated automatically from the CISA advisory text. It is not a substitute for the vendor's guidance; verify affected versions and fixes at the source before making changes to control systems.

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