{"cve":"CVE-2025-28389","nvd":{"published":"2025-06-13T14:15:21.010","modified":"2026-06-17T09:04:43.820","status":"Analyzed","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-521"],"references":["https://openc3.com/","https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework/"],"products":["openc3:cosmos"],"source":"nvd","synced_at":"2026-10-19T22:02:23.998251710+00:00"},"epss":{"cve":"CVE-2025-28389","score":0.00596,"percentile":0.48489,"date":"2026-10-31"},"kev":null,"osv":[{"id":"PYSEC-2025-150","url":"https://osv.dev/vulnerability/PYSEC-2025-150","summary":"","modified":"2026-05-21T15:00:25.400560417Z","packages":[{"ecosystem":"PyPI","name":"openc3","purl":"pkg:pypi/openc3","ranges":["<=6.0.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}