CVE-2020-25229

7.5HIGH

Key Information:

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

Summary

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device.

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:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.