CVE-2025-28389

CRITICALNVD 9.89.8—Trending — 3 sources updated this weekElevated

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 59.3%
KEV: Not listed

Published

June 13, 2025

Last Modified

June 17, 2025

Advisory Details (2)

Auto-updated May 31, 2026

No patch confirmed yet.

generic

OpenC3 Cosmos 6.0.0: A Security Assessment of an Open-Source Mission Framework – VisionSpace

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

generic

OpenC3

https://openc3.com/

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
openc3	0.1.0 ... 6.0.0 (25 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-521Weak Password Requirements

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:29 UTCEG score recompute
2026-05-29 13:29 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2025-28389?

CVE-2025-28389 is a critical vulnerability published on June 13, 2025. Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

When was CVE-2025-28389 disclosed?

CVE-2025-28389 was first published in the National Vulnerability Database on June 13, 2025, with the most recent update on June 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-28389 actively exploited?

CVE-2025-28389 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-28389?

CVE-2025-28389 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-28389?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-28389, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-28389

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Is Your Infrastructure Affected by CVE-2025-28389?

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CVE-2025-28389

📅 Published

🔄 Last Modified

📋 Advisory Details (2)