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CVE-2020-25228

CRITICAL
9.8
CVSS Score
Published: December 14, 2020 at 09:05 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
2 products affected across 1 vendorLogo !8 Bm FirmwareLogo! 8 Bm

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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Logo !8 Bm Firmware· Siemens
95%
v < 8.3
Affected range stops below 8.3, so it looks safe — our inference, not a vendor statement
siemens-logo-8-bm (same device)
Logo! 8 Bm· Siemens
60%
All versions < V8.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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