CVE-2025-28389 — CRITICAL (9.8)

Vulnerability Description

Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openc3	Cosmos	6.0.0

Related Weaknesses (CWE)

CWE-521

References

https://openc3.com/Product
https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-miExploitMitigationThird Party Advisory

FAQ

What is CVE-2025-28389?

CVE-2025-28389 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

How severe is CVE-2025-28389?

CVE-2025-28389 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-28389?

Check the references section above for vendor advisories and patch information. Affected products include: Openc3 Cosmos.