What’s Vulnerable › Vulnerabilities

CVE-2025-28389

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-13 · updated 2026-06-17
• Weakness: CWE-521

Description

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

Affected products

• OpenC3 cosmos: 6.0.0

References

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

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