CVE-2025-28389CRITICAL 9.8EPSS p41.2%

CVE-2025-28389CVE-2025-28389

Description

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

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.54% probability of exploitation · percentile 41.2% · 2026-06-18T12:00:27Z
Published2025-06-13
Last modified2025-06-17

Underlying weaknesses· 1

CWE-521

References

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

1

TypeTargetConfidenceTier
WeaknessWeak Password Requirementscwe-5210%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-28388
CVE
CVE-2025-28384
CVE
CVE-2025-28386
CVE
CVE-2026-42084
CVE
CVE-2025-68271
CVE
CVE-2026-20998
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.