CVE-2025-28389

CRITICAL

Published Jun 13, 2025 Modified Jun 17, 2025 CWE-521

Description

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

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-521 CWE-521

Affected Products

Vendor	Product	Versions
openc3	cosmos	All
openc3	cosmos	All

References

Exploits

https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework/

Other References

https://openc3.com/

Frequently Asked Questions

What is CVE-2025-28389? +

Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-28389? +

CVE-2025-28389 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-28389? +

CVE-2025-28389 affects products from openc3, specifically: cosmos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-28389? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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