{"id":"CVE-2026-3893","aliases":["EUVD-2026-26081","GHSA-fc84-9gcf-p72v"],"status":"published","title":"Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function","description":"The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials.","severity":{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00373,"percentile":0.31567,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-04-28T17:34:56Z","modified":"2026-10-26T20:10:00Z","products":[{"vendor":"carlson software","product":"vasco-b gnss receiver"}],"references":[{"url":"https://www.carlsonsw.com/support-and-training/"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-3893"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-113-02.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3893"},{"url":"https://www.carlsonsw.com/support-and-training"},{"url":"https://github.com/advisories/GHSA-fc84-9gcf-p72v"}],"sources":{"cve":[{"id":"CVE-2026-3893","title":"Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function","description":"The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials.","status":"published","published":"2026-04-28T17:34:56.13Z","modified":"2026-04-29T15:12:29.585Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T13:48:58.05327Z"}],"euvd":[{"id":"EUVD-2026-26081","description":"The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials.","status":"published","published":"2026-04-28T17:34:56Z","modified":"2026-04-29T15:12:29Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:05:19.555165Z"}],"ghsa":[{"id":"GHSA-fc84-9gcf-p72v","title":"The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with...","description":"The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials.","status":"published","published":"2026-04-28T21:36:13Z","modified":"2026-04-28T21:36:23Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:07:50.524404Z"}],"nvd":[{"id":"CVE-2026-3893","description":"The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, \nallowing an attacker with network access to directly access and modify \nits configuration and operational functions without needing credentials.","status":"published","published":"2026-04-28T19:37:39.647Z","modified":"2026-10-26T20:10:00.16Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:16.252509Z"}]}}