Insecure Random Number Generation in LOGO! 8 Devices by Siemens
CVE-2020-25232

7.5HIGH

Key Information:

Vendor

Siemens
Status
Logo! 8 Bm (incl. Siplus Variants)
Vendor
CVE Published:
14 December 2020

What is CVE-2020-25232?

A security issue exists within LOGO! 8 BM and its SIPLUS variants due to the reliance on an insecure random number generation mechanism combined with deprecated cryptographic practices. This vulnerability provides an opportunity for attackers to potentially recover the communication keys used on port 8080/tcp, jeopardizing the integrity and confidentiality of the device's communications.

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Deploy the Patch

Affected Version(s)

LOGO! 8 BM (incl. SIPLUS variants) All versions < V8.3

References

https://cert-portal.siemens.com/productcert/pdf/ssa-48082...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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