Arbitrary Firmware Loading Vulnerability in Schneider Electric and Belden Products
CVE-2021-30066

6.8MEDIUM

Key Information:

Vendor

Belden

Vendor
CVE Published:
3 April 2022

What is CVE-2021-30066?

The Schneider Electric ConneXium Tofino Firewall and Belden Tofino Xenon Security Appliance are susceptible to a vulnerability that allows unauthorized arbitrary firmware images to be loaded. This exploitation occurs due to the failure of firmware signature verification on USB devices, permitting attackers to bypass security protocols. This issue is a result of an insufficient resolution of a prior vulnerability, highlighting the importance of robust security measures to prevent unauthorized system modifications.

References

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.