{"id":"CVE-2025-28389","aliases":["EUVD-2025-18268","GHSA-g4xp-7879-36gf","PYSEC-2025-150"],"status":"published","title":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a...","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00621,"percentile":0.50245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-521"],"published":"2025-06-13T00:00:00Z","modified":"2026-10-28T02:30:34Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"openc3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.0.0"}]}],"versions":["0.1.0","5.10.0","5.10.1","5.11.0","5.11.1","5.11.2","5.11.3","5.12.0","5.13.0","5.14.0","5.14.1","5.14.2","5.15.0","5.15.1","5.15.2","5.16.0","5.16.1","5.16.2","5.17.0","5.17.1","5.18.0","5.19.0","5.20.0","5.9.2b0","6.0.0"]}],"products":[{"vendor":"openc3","product":"cosmos"}],"references":[{"url":"https://openc3.com/","tags":["Product","web"]},{"url":"https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework/","tags":["Exploit","Mitigation","Third Party Advisory","web","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-28389","tags":["advisory"]},{"url":"https://openc3.com"},{"url":"https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework"},{"url":"https://github.com/advisories/GHSA-g4xp-7879-36gf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/28xxx/CVE-2025-28389.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-28389","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","status":"published","published":"2025-06-13T00:00:00Z","modified":"2025-06-13T15:46:51.75Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:32:50.176138Z"}],"euvd":[{"id":"EUVD-2025-18268","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","status":"published","published":"2025-06-13T00:00:00Z","modified":"2025-06-13T15:46:51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:32:24.065864Z"}],"ghsa":[{"id":"GHSA-g4xp-7879-36gf","title":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a...","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","status":"published","published":"2025-06-13T15:30:32Z","modified":"2025-06-13T18:31:41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T15:02:43.421023Z"}],"nvd":[{"id":"CVE-2025-28389","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","status":"published","published":"2025-06-13T14:15:21.01Z","modified":"2026-06-17T09:04:43.82Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:11:11.789448Z"}],"osv":[{"id":"CVE-2025-28389","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","status":"published","published":"2025-06-13T00:00:00Z","modified":"2026-10-28T02:30:34.876313701Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:47.708311Z"},{"id":"PYSEC-2025-150","description":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.","status":"published","published":"2025-06-13T14:15:21.01Z","modified":"2026-05-21T15:00:25.400560417Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:54.242332Z"}]}}