CVE-2020-25228

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-14 · updated 2026-06-17
Weakness: CWE-306

Description

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). A service available on port 10005/tcp of the affected devices could allow complete access to all services without authorization. An attacker could gain full control over an affected device, if he has access to this service. The system manual recommends to protect access to this port.

Affected products

Siemens LOGO! 8 BM (incl. SIPLUS variants): before 8.3 — fixed in 8.3

How to fix

Upgrade to a fixed version: Siemens LOGO! 8 BM (incl. SIPLUS variants) 8.3. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

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