{"id":"CVE-2026-3873","aliases":["EUVD-2026-11768","GHSA-q26g-448c-9p4x"],"status":"published","title":"Legacy built-in user account","description":"Use of Hard-coded Credentials vulnerability in Avantra allows Accessing \nFunctionality Not Properly Constrained by ACLs. This issue affects \nAvantra: before 25.3.0.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00233,"percentile":0.1431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2026-03-13T08:14:29Z","modified":"2026-06-17T10:44:21Z","products":[{"vendor":"syslink software ag","product":"avantra"}],"references":[{"url":"https://support.avantra.com/hc/en-us/articles/5352465121695-Security-Notice-Legacy-Built-In-User-Account-rtm","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3873"},{"url":"https://github.com/advisories/GHSA-q26g-448c-9p4x"}],"sources":{"cve":[{"id":"CVE-2026-3873","title":"Legacy built-in user account","description":"Use of Hard-coded Credentials vulnerability in Avantra allows Accessing \nFunctionality Not Properly Constrained by ACLs. This issue affects \nAvantra: before 25.3.0.","status":"published","published":"2026-03-13T08:14:29.35Z","modified":"2026-03-13T16:05:47.203Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T13:49:09.229322Z"}],"euvd":[{"id":"EUVD-2026-11768","description":"Use of Hard-coded Credentials vulnerability in Avantra allows Accessing \nFunctionality Not Properly Constrained by ACLs. This issue affects \nAvantra: before 25.3.0.","status":"published","published":"2026-03-13T08:14:29Z","modified":"2026-03-13T16:05:47Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:35.389351Z"}],"ghsa":[{"id":"GHSA-q26g-448c-9p4x","title":"Use of Hard-coded Credentials vulnerability in Avantra allows Accessing \nFunctionality Not...","description":"Use of Hard-coded Credentials vulnerability in Avantra allows Accessing \nFunctionality Not Properly Constrained by ACLs. This issue affects \nAvantra: before 25.3.0.","status":"published","published":"2026-03-13T21:31:51Z","modified":"2026-03-13T21:32:01Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T15:06:36.943588Z"}],"nvd":[{"id":"CVE-2026-3873","description":"Use of Hard-coded Credentials vulnerability in Avantra allows Accessing \nFunctionality Not Properly Constrained by ACLs. This issue affects \nAvantra: before 25.3.0.","status":"published","published":"2026-03-13T19:55:10.81Z","modified":"2026-06-17T10:44:21.933Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:12:09.358914Z"}]}}