{"id":"CVE-2025-3495","aliases":["EUVD-2025-11466","GHSA-7f2q-mwc4-6qvx"],"status":"published","title":"COMMGR - Insufficient Randomization Authentication Bypass","description":"Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.","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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00728,"percentile":0.54473,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-338"],"published":"2025-04-16T03:10:05Z","modified":"2026-06-17T09:20:03Z","products":[{"vendor":"delta electronics","product":"commgr"}],"references":[{"url":"https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00005_COMMGR%20-%20Insufficient%20Randomization%20Authentication%20Bypass_v1.pdf"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-105-07"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3495"},{"url":"https://github.com/advisories/GHSA-7f2q-mwc4-6qvx"}],"sources":{"cve":[{"id":"CVE-2025-3495","title":"COMMGR - Insufficient Randomization Authentication Bypass","description":"Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.","status":"published","published":"2025-04-16T03:10:05.952Z","modified":"2025-08-19T00:11:36.662Z","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":"cna"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T14:32:39.719629Z"}],"euvd":[{"id":"EUVD-2025-11466","description":"Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.","status":"published","published":"2025-04-16T03:10:05Z","modified":"2025-08-19T00:11:36Z","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":"2026-11-02T20:31:55.90596Z"}],"ghsa":[{"id":"GHSA-7f2q-mwc4-6qvx","title":"Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs ...","description":"Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.","status":"published","published":"2025-04-16T03:30:24Z","modified":"2025-04-16T03:30:29Z","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-338"],"updated_at":"2026-11-02T15:01:34.355264Z"}],"nvd":[{"id":"CVE-2025-3495","description":"Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.","status":"published","published":"2025-04-16T03:15:17.53Z","modified":"2026-06-17T09:20:03.237Z","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-338"],"updated_at":"2026-11-02T14:11:00.456643Z"}]}}