Firmware Manipulation Vulnerability in LOGO! 8 BM by Siemens
CVE-2022-36360

7.5HIGH

Key Information:

Vendor
Siemens
Status
Logo! 8 Bm (incl. Siplus Variants)
Vendor
CVE Published:
11 October 2022

Summary

A vulnerability exists in LOGO! 8 BM and its SIPLUS variants that allows for the loading of firmware updates without proper authentication checks. The integrity of the firmware, which is unencrypted, is only validated through a basic, non-cryptographic method. This deficiency enables attackers to potentially manipulate and upload malicious firmware updates to the device, leading to unauthorized control and possible disruption of services.

Affected Version(s)

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

References

https://cert-portal.siemens.com/productcert/pdf/ssa-92878...

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

.