Weak Authentication Vulnerability in OpenC3 COSMOS by OpenC3
CVE-2025-28389

9.8CRITICAL

Key Information:

Vendor

OpenC3

Status
COSMOS
Vendor
CVE Published:
13 June 2025

What is CVE-2025-28389?

OpenC3 COSMOS version 6.0.0 is plagued by weak password requirements that expose users to authentication bypass risks. This vulnerability allows attackers to carry out brute force attacks, potentially granting unauthorized access to sensitive systems. It underscores the necessity for robust password policies and user authentication mechanisms to safeguard against intrusions.

References

https://openc3.com/
https://visionspace.com/openc3-cosmos-a-security-assessme...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.